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From: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
To: Vinod Koul <vkoul@kernel.org>, Rob Herring <robh@kernel.org>,
Gregory CLEMENT <gregory.clement@bootlin.com>
Cc: linux-kernel@vger.kernel.org, kernel-janitors@vger.kernel.org,
Christophe JAILLET <christophe.jaillet@wanadoo.fr>,
dmaengine@vger.kernel.org
Subject: [PATCH 1/2] dmaengine: mv_xor_v2: Fix an error code.
Date: Sun, 26 Mar 2023 09:06:37 +0200
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<201170dff832a3c496d125772e10070cd834ebf2.1679814350.git.christophe.jaillet@wanadoo.fr>
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[1/2] dmaengine: mv_xor_v2: Fix an error code.
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Commit Message
Christophe JAILLET
March 26, 2023, 7:06 a.m. UTC
If the probe is deferred, -EPROBE_DEFER should be returned, not
+EPROBE_DEFER.
Fixes: 3cd2c313f1d6 ("dmaengine: mv_xor_v2: Fix clock resource by adding a register clock")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
drivers/dma/mv_xor_v2.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Comments
I had thought I had a Smatch check for this but apparently not... I have attached a check plus the error messages. Some places use positive error codes intentionally. regards, dan carpenter arch/x86/hyperv/irqdomain.c:49 hv_map_interrupt() warn: was negative '-EINVAL' intended? drivers/base/dd.c:826 driver_probe_device() warn: was negative '-EPROBE_DEFER' intended? drivers/connector/cn_proc.c:366 cn_proc_mcast_ctl() warn: was negative '-EPERM' intended? drivers/connector/cn_proc.c:379 cn_proc_mcast_ctl() warn: was negative '-EINVAL' intended? drivers/gpu/drm/amd/amdgpu/../amdkfd/kfd_svm.c:4005 svm_ioctl() warn: was negative '-EINVAL' intended? drivers/infiniband/core/user_mad.c:226 send_handler() warn: was negative '-ETIMEDOUT' intended? drivers/infiniband/sw/rdmavt/mcast.c:180 rvt_mcast_add() warn: was negative '-EINVAL' intended? drivers/infiniband/sw/rdmavt/mcast.c:187 rvt_mcast_add() warn: was negative '-ESRCH' intended? drivers/infiniband/sw/rdmavt/mcast.c:193 rvt_mcast_add() warn: was negative '-ENOMEM' intended? drivers/infiniband/sw/rdmavt/mcast.c:200 rvt_mcast_add() warn: was negative '-EEXIST' intended? drivers/infiniband/sw/rdmavt/mcast.c:207 rvt_mcast_add() warn: was negative '-ENOMEM' intended? drivers/leds/leds-pwm.c:149 led_pwm_create_fwnode() warn: was negative '-EINVAL' intended? drivers/net/arcnet/arcnet.c:458 arcnet_reply_tasklet() warn: was negative '-ENOMSG' intended? drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c:2133 chtls_abort_req_rss() warn: was negative '-ETIMEDOUT' intended? drivers/net/ethernet/chelsio/inline_crypto/chtls/chtls_cm.c:457 chtls_disconnect() warn: was negative '-ECONNRESET' intended? drivers/net/ethernet/fungible/funcore/fun_queue.c:320 __fun_process_cq() warn: was negative '-ENOMEM' intended? drivers/net/ethernet/huawei/hinic/hinic_sriov.c:270 hinic_register_vf_msg_handler() warn: was negative '-EFAULT' intended? drivers/net/ethernet/huawei/hinic/hinic_sriov.c:277 hinic_register_vf_msg_handler() warn: was negative '-EFAULT' intended? drivers/net/ethernet/mellanox/mlx4/fw.c:2752 mlx4_opreq_action() warn: was negative '-EPERM' intended? drivers/net/ethernet/mellanox/mlx4/fw.c:2780 mlx4_opreq_action() warn: was negative '-EINVAL' intended? drivers/phy/mediatek/phy-mtk-dp.c:172 mtk_dp_phy_probe() warn: was negative '-EINVAL' intended? drivers/scsi/aic7xxx/aic79xx_core.c:9939 ahd_read_seeprom() warn: was negative '-EINVAL' intended? drivers/scsi/aic7xxx/aic79xx_core.c:9982 ahd_write_seeprom() warn: was negative '-ENOENT' intended? drivers/scsi/aic7xxx/aic79xx_core.c:9995 ahd_write_seeprom() warn: was negative '-EINVAL' intended? drivers/scsi/aic7xxx/aic79xx_osm_pci.c:275 ahd_linux_pci_reserve_mem_region() warn: was negative '-ENOMEM' intended? drivers/scsi/aic7xxx/aic79xx_osm_pci.c:279 ahd_linux_pci_reserve_mem_region() warn: was negative '-ENOMEM' intended? drivers/scsi/aic7xxx/aic79xx_osm_pci.c:285 ahd_linux_pci_reserve_mem_region() warn: was negative '-ENOMEM' intended? drivers/scsi/aic7xxx/aic79xx_pci.c:420 ahd_pci_test_register_access() warn: was negative '-EIO' intended? drivers/scsi/aic7xxx/aic7xxx_osm.c:849 ahc_dmamem_alloc() warn: was negative '-ENOMEM' intended? drivers/scsi/aic7xxx/aic7xxx_osm_pci.c:349 ahc_linux_pci_reserve_mem_region() warn: was negative '-ENOMEM' intended? drivers/scsi/aic7xxx/aic7xxx_osm_pci.c:353 ahc_linux_pci_reserve_mem_region() warn: was negative '-ENOMEM' intended? drivers/scsi/aic7xxx/aic7xxx_osm_pci.c:358 ahc_linux_pci_reserve_mem_region() warn: was negative '-ENOMEM' intended? drivers/scsi/aic7xxx/aic7xxx_pci.c:1171 ahc_pci_test_register_access() warn: was negative '-EIO' intended? drivers/scsi/ch.c:808 ch_ioctl() warn: was negative '-EIO' intended? drivers/scsi/csiostor/csio_hw.c:2128 csio_hw_use_fwconfig() warn: was negative '-ENOENT' intended? drivers/scsi/fnic/vnic_dev.c:253 vnic_dev_cmd1() warn: was negative '-EINVAL' intended? drivers/scsi/fnic/vnic_dev.c:254 vnic_dev_cmd1() warn: was negative '-EFAULT' intended? drivers/scsi/fnic/vnic_dev.c:255 vnic_dev_cmd1() warn: was negative '-EPERM' intended? drivers/scsi/fnic/vnic_dev.c:256 vnic_dev_cmd1() warn: was negative '-EBUSY' intended? drivers/scsi/iscsi_tcp.c:698 iscsi_sw_tcp_conn_stop() warn: was negative '-EIO' intended? drivers/scsi/lpfc/lpfc_sli.c:1950 lpfc_issue_cmf_sync_wqe() warn: was negative '-ENOMEM' intended? drivers/scsi/qla2xxx/qla_iocb.c:3895 qla2x00_start_sp() warn: was negative '-EAGAIN' intended? drivers/scsi/qla2xxx/qla_os.c:5558 qla2x00_do_work() warn: was negative '-EAGAIN' intended? drivers/scsi/sg.c:514 sg_read() warn: was negative '-EBUSY' intended? drivers/scsi/sg.c:521 sg_read() warn: was negative '-EIO' intended? drivers/scsi/sg.c:525 sg_read() warn: was negative '-EIO' intended? drivers/scsi/sg.c:528 sg_read() warn: was negative '-EIO' intended? drivers/usb/cdns3/cdns3-gadget.c:2525 __cdns3_gadget_ep_queue() warn: was negative '-EINPROGRESS' intended? drivers/usb/cdns3/cdns3-gadget.c:595 cdns3_wa2_gadget_ep_queue() warn: was negative '-EINPROGRESS' intended? drivers/usb/core/devio.c:2854 usbdev_remove() warn: was negative '-EPIPE' intended? drivers/usb/misc/usbtest.c:1262 test_ctrl_queue() warn: was negative '-EPIPE' intended? drivers/usb/misc/usbtest.c:1279 test_ctrl_queue() warn: was negative '-EPIPE' intended? drivers/usb/misc/usbtest.c:1301 test_ctrl_queue() warn: was negative '-EPIPE' intended? drivers/usb/misc/usbtest.c:1319 test_ctrl_queue() warn: was negative '-EPIPE' intended? drivers/usb/misc/usbtest.c:1327 test_ctrl_queue() warn: was negative '-EREMOTEIO' intended? drivers/vhost/vsock.c:706 vhost_vsock_reset_orphans() warn: was negative '-ECONNRESET' intended? drivers/xen/xenbus/xenbus_xs.c:162 get_error() warn: was negative '-EINVAL' intended? fs/ocfs2/dlm/dlmrecovery.c:2721 dlm_send_begin_reco_message() warn: was negative '-EAGAIN' intended? ./include/linux/key-type.h:187 key_negate_and_link() warn: was negative '-ENOKEY' intended? net/9p/error.c:225 p9_errstr2errno() warn: was negative '-ESERVERFAULT' intended? net/ax25/af_ax25.c:102 ax25_kill_by_device() warn: was negative '-ENETUNREACH' intended? net/ax25/af_ax25.c:403 ax25_ctl_ioctl() warn: was negative '-ENETRESET' intended? net/ax25/af_ax25.c:93 ax25_kill_by_device() warn: was negative '-ENETUNREACH' intended? net/ax25/ax25_ds_in.c:179 ax25_ds_state3_machine() warn: was negative '-ECONNRESET' intended? net/ax25/ax25_ds_in.c:83 ax25_ds_state1_machine() warn: was negative '-ECONNREFUSED' intended? net/ax25/ax25_ds_timer.c:149 ax25_ds_t3timer_expiry() warn: was negative '-ETIMEDOUT' intended? net/ax25/ax25_ds_timer.c:194 ax25_ds_t1_timeout() warn: was negative '-ETIMEDOUT' intended? net/ax25/ax25_ds_timer.c:215 ax25_ds_t1_timeout() warn: was negative '-ETIMEDOUT' intended? net/ax25/ax25_ds_timer.c:225 ax25_ds_t1_timeout() warn: was negative '-ETIMEDOUT' intended? net/ax25/ax25_ds_timer.c:84 ax25_ds_timeout() warn: was negative '-ETIMEDOUT' intended? net/ax25/ax25_out.c:332 ax25_transmit_buffer() warn: was negative '-ENETUNREACH' intended? net/ax25/ax25_std_in.c:173 ax25_std_state3_machine() warn: was negative '-ECONNRESET' intended? net/ax25/ax25_std_in.c:300 ax25_std_state4_machine() warn: was negative '-ECONNRESET' intended? net/ax25/ax25_std_in.c:83 ax25_std_state1_machine() warn: was negative '-ECONNREFUSED' intended? net/ax25/ax25_std_timer.c:126 ax25_std_t1timer_expiry() warn: was negative '-ETIMEDOUT' intended? net/ax25/ax25_std_timer.c:147 ax25_std_t1timer_expiry() warn: was negative '-ETIMEDOUT' intended? net/ax25/ax25_std_timer.c:164 ax25_std_t1timer_expiry() warn: was negative '-ETIMEDOUT' intended? net/ax25/ax25_subr.c:264 ax25_disconnect() warn: was negative '-ENETUNREACH' intended? net/bluetooth/6lowpan.c:1019 disconnect_all_peers() warn: was negative '-ENOENT' intended? net/bluetooth/6lowpan.c:916 bt_6lowpan_disconnect() warn: was negative '-ENOENT' intended? net/bluetooth/bnep/core.c:527 bnep_session() warn: was negative '-EUNATCH' intended? net/bluetooth/hci_request.c:919 hci_request_cancel_all() warn: was negative '-ENODEV' intended? net/bluetooth/hci_sock.c:778 hci_sock_dev_event() warn: was negative '-EPIPE' intended? net/bluetooth/hidp/core.c:419 hidp_idle_timeout() warn: was negative '-EUNATCH' intended? net/bluetooth/hidp/core.c:420 hidp_idle_timeout() warn: was negative '-EUNATCH' intended? net/bluetooth/iso.c:614 __iso_sock_close() warn: was negative '-ECONNRESET' intended? net/bluetooth/iso.c:621 __iso_sock_close() warn: was negative '-ECONNRESET' intended? net/bluetooth/iso.c:634 __iso_sock_close() warn: was negative '-ECONNRESET' intended? net/bluetooth/iso.c:637 __iso_sock_close() warn: was negative '-ECONNRESET' intended? net/bluetooth/iso.c:89 iso_sock_timeout() warn: was negative '-ETIMEDOUT' intended? net/bluetooth/l2cap_core.c:1655 l2cap_conn_start() warn: was negative '-ECONNRESET' intended? net/bluetooth/l2cap_core.c:1663 l2cap_conn_start() warn: was negative '-ECONNREFUSED' intended? net/bluetooth/l2cap_core.c:2202 l2cap_ertm_resend() warn: was negative '-ECONNRESET' intended? net/bluetooth/l2cap_core.c:3019 l2cap_tx_state_wait_f() warn: was negative '-ECONNABORTED' intended? net/bluetooth/l2cap_core.c:3980 l2cap_ecred_rsp_defer() warn: was negative '-ECONNRESET' intended? net/bluetooth/l2cap_core.c:4358 l2cap_connect_create_rsp() warn: was negative '-ECONNREFUSED' intended? net/bluetooth/l2cap_core.c:445 l2cap_chan_timeout() warn: was negative '-ECONNREFUSED' intended? net/bluetooth/l2cap_core.c:4465 l2cap_config_req() warn: was negative '-ECONNRESET' intended? net/bluetooth/l2cap_core.c:448 l2cap_chan_timeout() warn: was negative '-ECONNREFUSED' intended? net/bluetooth/l2cap_core.c:450 l2cap_chan_timeout() warn: was negative '-ETIMEDOUT' intended? net/bluetooth/l2cap_core.c:4561 l2cap_config_rsp() warn: was negative '-ECONNRESET' intended? net/bluetooth/l2cap_core.c:4583 l2cap_config_rsp() warn: was negative '-ECONNRESET' intended? net/bluetooth/l2cap_core.c:4592 l2cap_config_rsp() warn: was negative '-ECONNRESET' intended? net/bluetooth/l2cap_core.c:4606 l2cap_config_rsp() warn: was negative '-ECONNRESET' intended? net/bluetooth/l2cap_core.c:4609 l2cap_config_rsp() warn: was negative '-ECONNRESET' intended? net/bluetooth/l2cap_core.c:4672 l2cap_disconnect_req() warn: was negative '-ECONNRESET' intended? net/bluetooth/l2cap_core.c:5007 l2cap_logical_fail() warn: was negative '-ECONNRESET' intended? net/bluetooth/l2cap_core.c:5699 l2cap_le_connect_rsp() warn: was negative '-ECONNREFUSED' intended? net/bluetooth/l2cap_core.c:5714 l2cap_le_connect_rsp() warn: was negative '-ECONNREFUSED' intended? net/bluetooth/l2cap_core.c:5969 l2cap_le_credits() warn: was negative '-ECONNRESET' intended? net/bluetooth/l2cap_core.c:6186 l2cap_ecred_conn_rsp() warn: was negative '-ECONNREFUSED' intended? net/bluetooth/l2cap_core.c:6204 l2cap_ecred_conn_rsp() warn: was negative '-ECONNREFUSED' intended? net/bluetooth/l2cap_core.c:6208 l2cap_ecred_conn_rsp() warn: was negative '-ECONNRESET' intended? net/bluetooth/l2cap_core.c:6220 l2cap_ecred_conn_rsp() warn: was negative '-ECONNREFUSED' intended? net/bluetooth/l2cap_core.c:6235 l2cap_ecred_conn_rsp() warn: was negative '-ECONNREFUSED' intended? net/bluetooth/l2cap_core.c:6241 l2cap_ecred_conn_rsp() warn: was negative '-ECONNREFUSED' intended? net/bluetooth/l2cap_core.c:6355 l2cap_ecred_reconf_rsp() warn: was negative '-ECONNRESET' intended? net/bluetooth/l2cap_core.c:6378 l2cap_le_command_rej() warn: was negative '-ECONNREFUSED' intended? net/bluetooth/l2cap_core.c:6755 l2cap_handle_srej() warn: was negative '-ECONNRESET' intended? net/bluetooth/l2cap_core.c:6769 l2cap_handle_srej() warn: was negative '-ECONNRESET' intended? net/bluetooth/l2cap_core.c:6813 l2cap_handle_rej() warn: was negative '-ECONNRESET' intended? net/bluetooth/l2cap_core.c:6822 l2cap_handle_rej() warn: was negative '-ECONNRESET' intended? net/bluetooth/l2cap_core.c:7024 l2cap_rx_state_recv() warn: was negative '-ECONNRESET' intended? net/bluetooth/l2cap_core.c:7157 l2cap_rx_state_srej_sent() warn: was negative '-ECONNRESET' intended? net/bluetooth/l2cap_core.c:7352 l2cap_rx() warn: was negative '-ECONNRESET' intended? net/bluetooth/l2cap_core.c:7435 l2cap_data_rcv() warn: was negative '-ECONNRESET' intended? net/bluetooth/l2cap_core.c:7465 l2cap_data_rcv() warn: was negative '-ECONNRESET' intended? net/bluetooth/l2cap_core.c:7482 l2cap_data_rcv() warn: was negative '-ECONNRESET' intended? net/bluetooth/l2cap_core.c:7493 l2cap_data_rcv() warn: was negative '-ECONNRESET' intended? net/bluetooth/l2cap_core.c:7549 l2cap_ecred_data_rcv() warn: was negative '-ECONNRESET' intended? net/bluetooth/l2cap_core.c:8312 l2cap_check_encryption() warn: was negative '-ECONNREFUSED' intended? net/bluetooth/l2cap_core.c:8499 l2cap_recv_acldata() warn: was negative '-ECOMM' intended? net/bluetooth/l2cap_core.c:8524 l2cap_recv_acldata() warn: was negative '-ECOMM' intended? net/bluetooth/l2cap_core.c:8539 l2cap_recv_acldata() warn: was negative '-ECOMM' intended? net/bluetooth/l2cap_core.c:8546 l2cap_recv_acldata() warn: was negative '-ECOMM' intended? net/bluetooth/l2cap_core.c:8559 l2cap_recv_acldata() warn: was negative '-ECOMM' intended? net/bluetooth/l2cap_sock.c:1453 l2cap_sock_cleanup_listen() warn: was negative '-ECONNRESET' intended? net/bluetooth/lib.c:100 bt_to_errno() warn: was negative '-EOPNOTSUPP' intended? net/bluetooth/lib.c:103 bt_to_errno() warn: was negative '-EINVAL' intended? net/bluetooth/lib.c:108 bt_to_errno() warn: was negative '-ECONNRESET' intended? net/bluetooth/lib.c:111 bt_to_errno() warn: was negative '-ECONNABORTED' intended? net/bluetooth/lib.c:114 bt_to_errno() warn: was negative '-ELOOP' intended? net/bluetooth/lib.c:117 bt_to_errno() warn: was negative '-EACCES' intended? net/bluetooth/lib.c:120 bt_to_errno() warn: was negative '-EPROTONOSUPPORT' intended? net/bluetooth/lib.c:123 bt_to_errno() warn: was negative '-ECONNREFUSED' intended? net/bluetooth/lib.c:130 bt_to_errno() warn: was negative '-EPROTO' intended? net/bluetooth/lib.c:133 bt_to_errno() warn: was negative '-ENOSYS' intended? net/bluetooth/lib.c:52 bt_to_errno() warn: was negative '-EBADRQC' intended? net/bluetooth/lib.c:55 bt_to_errno() warn: was negative '-ENOTCONN' intended? net/bluetooth/lib.c:58 bt_to_errno() warn: was negative '-EIO' intended? net/bluetooth/lib.c:62 bt_to_errno() warn: was negative '-EHOSTDOWN' intended? net/bluetooth/lib.c:65 bt_to_errno() warn: was negative '-EACCES' intended? net/bluetooth/lib.c:68 bt_to_errno() warn: was negative '-EBADE' intended? net/bluetooth/lib.c:71 bt_to_errno() warn: was negative '-ENOMEM' intended? net/bluetooth/lib.c:74 bt_to_errno() warn: was negative '-ETIMEDOUT' intended? net/bluetooth/lib.c:77 bt_to_errno() warn: was negative '-EMLINK' intended? net/bluetooth/lib.c:80 bt_to_errno() warn: was negative '-EMLINK' intended? net/bluetooth/lib.c:83 bt_to_errno() warn: was negative '-EALREADY' intended? net/bluetooth/lib.c:86 bt_to_errno() warn: was negative '-EBUSY' intended? net/bluetooth/lib.c:91 bt_to_errno() warn: was negative '-ECONNREFUSED' intended? net/bluetooth/lib.c:94 bt_to_errno() warn: was negative '-ETIMEDOUT' intended? net/bluetooth/rfcomm/core.c:1249 rfcomm_recv_ua() warn: was negative '-ECONNRESET' intended? net/bluetooth/rfcomm/core.c:1267 rfcomm_recv_dm() warn: was negative '-ECONNREFUSED' intended? net/bluetooth/rfcomm/core.c:1269 rfcomm_recv_dm() warn: was negative '-ECONNRESET' intended? net/bluetooth/rfcomm/core.c:1276 rfcomm_recv_dm() warn: was negative '-ECONNREFUSED' intended? net/bluetooth/rfcomm/core.c:1278 rfcomm_recv_dm() warn: was negative '-ECONNRESET' intended? net/bluetooth/rfcomm/core.c:1298 rfcomm_recv_disc() warn: was negative '-ECONNREFUSED' intended? net/bluetooth/rfcomm/core.c:1300 rfcomm_recv_disc() warn: was negative '-ECONNRESET' intended? net/bluetooth/rfcomm/core.c:1311 rfcomm_recv_disc() warn: was negative '-ECONNREFUSED' intended? net/bluetooth/rfcomm/core.c:1313 rfcomm_recv_disc() warn: was negative '-ECONNRESET' intended? net/bluetooth/rfcomm/core.c:1884 rfcomm_process_dlcs() warn: was negative '-ETIMEDOUT' intended? net/bluetooth/rfcomm/core.c:1889 rfcomm_process_dlcs() warn: was negative '-ECONNREFUSED' intended? net/bluetooth/rfcomm/core.c:1917 rfcomm_process_dlcs() warn: was negative '-ECONNREFUSED' intended? net/bluetooth/sco.c:425 __sco_sock_close() warn: was negative '-ECONNRESET' intended? net/bluetooth/sco.c:431 __sco_sock_close() warn: was negative '-ECONNRESET' intended? net/bluetooth/sco.c:98 sco_sock_timeout() warn: was negative '-ETIMEDOUT' intended? net/caif/caif_socket.c:225 caif_ctrl_cb() warn: was negative '-ECONNREFUSED' intended? net/caif/caif_socket.c:239 caif_ctrl_cb() warn: was negative '-ECONNRESET' intended? net/can/bcm.c:1435 bcm_notify() warn: was negative '-ENODEV' intended? net/can/bcm.c:1443 bcm_notify() warn: was negative '-ENETDOWN' intended? net/can/isotp.c:1309 isotp_bind() warn: was negative '-ENETDOWN' intended? net/can/isotp.c:1531 isotp_notify() warn: was negative '-ENODEV' intended? net/can/isotp.c:1537 isotp_notify() warn: was negative '-ENETDOWN' intended? net/can/isotp.c:193 isotp_rx_timer_handler() warn: was negative '-ETIMEDOUT' intended? net/can/isotp.c:367 isotp_rcv_fc() warn: was negative '-EBADMSG' intended? net/can/isotp.c:421 isotp_rcv_fc() warn: was negative '-EMSGSIZE' intended? net/can/isotp.c:449 isotp_rcv_sf() warn: was negative '-EBADMSG' intended? net/can/isotp.c:564 isotp_rcv_cf() warn: was negative '-EILSEQ' intended? net/can/isotp.c:588 isotp_rcv_cf() warn: was negative '-EBADMSG' intended? net/can/isotp.c:890 isotp_tx_timer_handler() warn: was negative '-ECOMM' intended? net/can/j1939/socket.c:1019 __j1939_sk_errqueue() warn: was negative '-ENOMSG' intended? net/can/j1939/socket.c:1025 __j1939_sk_errqueue() warn: was negative '-ENOMSG' intended? net/can/j1939/socket.c:1037 __j1939_sk_errqueue() warn: was negative '-ENOMSG' intended? net/can/j1939/socket.c:1043 __j1939_sk_errqueue() warn: was negative '-ENOMSG' intended? net/can/j1939/socket.c:1148 j1939_sk_send_loop() warn: was negative '-EBUSY' intended? net/can/j1939/socket.c:1267 j1939_sk_netdev_event_netdown() warn: was negative '-ENETDOWN' intended? net/can/j1939/socket.c:630 j1939_sk_release() warn: was negative '-ESHUTDOWN' intended? net/can/j1939/transport.c:181 j1939_xtp_abort_to_errno() warn: was negative '-EALREADY' intended? net/can/j1939/transport.c:184 j1939_xtp_abort_to_errno() warn: was negative '-EMSGSIZE' intended? net/can/j1939/transport.c:187 j1939_xtp_abort_to_errno() warn: was negative '-EHOSTUNREACH' intended? net/can/j1939/transport.c:190 j1939_xtp_abort_to_errno() warn: was negative '-EBADMSG' intended? net/can/j1939/transport.c:193 j1939_xtp_abort_to_errno() warn: was negative '-ENOTRECOVERABLE' intended? net/can/j1939/transport.c:196 j1939_xtp_abort_to_errno() warn: was negative '-ENOTCONN' intended? net/can/j1939/transport.c:199 j1939_xtp_abort_to_errno() warn: was negative '-EILSEQ' intended? net/can/j1939/transport.c:202 j1939_xtp_abort_to_errno() warn: was negative '-EPROTO' intended? net/can/j1939/transport.c:205 j1939_xtp_abort_to_errno() warn: was negative '-EPROTO' intended? net/can/j1939/transport.c:208 j1939_xtp_abort_to_errno() warn: was negative '-EPROTO' intended? net/can/j1939/transport.c:211 j1939_xtp_abort_to_errno() warn: was negative '-EPROTO' intended? net/can/j1939/transport.c:214 j1939_xtp_abort_to_errno() warn: was negative '-EPROTO' intended? net/can/j1939/transport.c:217 j1939_xtp_abort_to_errno() warn: was negative '-EPROTO' intended? net/can/j1939/transport.c:2186 j1939_cancel_active_session() warn: was negative '-ESHUTDOWN' intended? net/can/j1939/transport.c:220 j1939_xtp_abort_to_errno() warn: was negative '-EPROTO' intended? net/can/j1939/transport.c:223 j1939_xtp_abort_to_errno() warn: was negative '-EPROTO' intended? net/can/j1939/transport.c:226 j1939_xtp_abort_to_errno() warn: was negative '-EPROTO' intended? net/can/j1939/transport.c:230 j1939_xtp_abort_to_errno() warn: was negative '-EPROTO' intended? net/can/raw.c:298 raw_notify() warn: was negative '-ENODEV' intended? net/can/raw.c:304 raw_notify() warn: was negative '-ENETDOWN' intended? net/can/raw.c:492 raw_bind() warn: was negative '-ENETDOWN' intended? net/core/skbuff.c:5078 __skb_complete_tx_timestamp() warn: was negative '-ENOMSG' intended? net/core/skbuff.c:5201 skb_complete_wifi_ack() warn: was negative '-ENOMSG' intended? net/core/skmsg.c:686 sk_psock_backlog() warn: was negative '-EPIPE' intended? net/dccp/input.c:128 dccp_reset_code_convert() warn: was negative '-ECONNRESET' intended? net/dccp/input.c:130 dccp_reset_code_convert() warn: was negative '-ECONNREFUSED' intended? net/dccp/input.c:131 dccp_reset_code_convert() warn: was negative '-ECONNREFUSED' intended? net/dccp/input.c:132 dccp_reset_code_convert() warn: was negative '-EUSERS' intended? net/dccp/input.c:133 dccp_reset_code_convert() warn: was negative '-EDQUOT' intended? net/dccp/input.c:135 dccp_reset_code_convert() warn: was negative '-ENOMSG' intended? net/dccp/input.c:136 dccp_reset_code_convert() warn: was negative '-EBADR' intended? net/dccp/input.c:137 dccp_reset_code_convert() warn: was negative '-EBADRQC' intended? net/dccp/input.c:138 dccp_reset_code_convert() warn: was negative '-EILSEQ' intended? net/dccp/input.c:139 dccp_reset_code_convert() warn: was negative '-EOPNOTSUPP' intended? net/dccp/input.c:513 dccp_rcv_request_sent_state_process() warn: was negative '-ECOMM' intended? net/dccp/ipv4.c:311 dccp_v4_err() warn: was negative '-EPROTO' intended? net/dccp/ipv4.c:326 dccp_v4_err() warn: was negative '-EHOSTUNREACH' intended? net/dccp/proto.c:271 dccp_disconnect() warn: was negative '-ECONNRESET' intended? net/dccp/proto.c:273 dccp_disconnect() warn: was negative '-ECONNRESET' intended? net/dccp/timer.c:22 dccp_write_err() warn: was negative '-ETIMEDOUT' intended? net/ipv4/ip_output.c:1005 __ip_append_data() warn: was negative '-EMSGSIZE' intended? net/ipv4/ip_output.c:1388 ip_append_page() warn: was negative '-EMSGSIZE' intended? net/ipv4/ping.c:549 ping_err() warn: was negative '-EHOSTUNREACH' intended? net/ipv4/ping.c:555 ping_err() warn: was negative '-EREMOTEIO' intended? net/ipv4/ping.c:558 ping_err() warn: was negative '-EPROTO' intended? net/ipv4/ping.c:565 ping_err() warn: was negative '-EMSGSIZE' intended? net/ipv4/ping.c:571 ping_err() warn: was negative '-EHOSTUNREACH' intended? net/ipv4/ping.c:580 ping_err() warn: was negative '-EREMOTEIO' intended? net/ipv4/raw.c:228 raw_err() warn: was negative '-EHOSTUNREACH' intended? net/ipv4/raw.c:233 raw_err() warn: was negative '-EPROTO' intended? net/ipv4/raw.c:237 raw_err() warn: was negative '-EHOSTUNREACH' intended? net/ipv4/raw.c:242 raw_err() warn: was negative '-EMSGSIZE' intended? net/ipv4/raw.c:334 raw_send_hdrinc() warn: was negative '-EMSGSIZE' intended? net/ipv4/raw_diag.c:211 raw_diag_destroy() warn: was negative '-ECONNABORTED' intended? net/ipv4/tcp_diag.c:216 tcp_diag_destroy() warn: was negative '-ECONNABORTED' intended? net/ipv4/tcp_ipv4.c:548 tcp_v4_err() warn: was negative '-EPROTO' intended? net/ipv4/tcp_ipv4.c:581 tcp_v4_err() warn: was negative '-EHOSTUNREACH' intended? net/ipv4/udp.c:757 __udp4_lib_err() warn: was negative '-EHOSTUNREACH' intended? net/ipv4/udp.c:762 __udp4_lib_err() warn: was negative '-EPROTO' intended? net/ipv4/udp.c:769 __udp4_lib_err() warn: was negative '-EMSGSIZE' intended? net/ipv4/udp.c:775 __udp4_lib_err() warn: was negative '-EHOSTUNREACH' intended? net/ipv4/udp_diag.c:218 __udp_diag_destroy() warn: was negative '-ECONNABORTED' intended? net/ipv4/xfrm4_output.c:44 xfrm4_local_error() warn: was negative '-EMSGSIZE' intended? net/ipv6/icmp.c:1132 icmpv6_err_convert() warn: was negative '-EPROTO' intended? net/ipv6/icmp.c:1144 icmpv6_err_convert() warn: was negative '-EMSGSIZE' intended? net/ipv6/icmp.c:1148 icmpv6_err_convert() warn: was negative '-EPROTO' intended? net/ipv6/icmp.c:1153 icmpv6_err_convert() warn: was negative '-EHOSTUNREACH' intended? net/ipv6/ip6_output.c:1548 __ip6_append_data() warn: was negative '-EMSGSIZE' intended? net/ipv6/ip6_output.c:352 ip6_xmit() warn: was negative '-EMSGSIZE' intended? net/ipv6/raw.c:603 rawv6_send_hdrinc() warn: was negative '-EMSGSIZE' intended? net/ipv6/xfrm6_output.c:40 xfrm6_local_error() warn: was negative '-EMSGSIZE' intended? net/kcm/kcmsock.c:1531 kcm_unattach() warn: was negative '-EPIPE' intended? net/kcm/kcmsock.c:1845 kcm_release() warn: was negative '-EPIPE' intended? net/kcm/kcmsock.c:412 psock_state_change() warn: was negative '-EPIPE' intended? net/kcm/kcmsock.c:51 report_csk_error() warn: was negative '-EPIPE' intended? net/kcm/kcmsock.c:678 kcm_write_msgs() warn: was negative '-EPIPE' intended? net/key/af_key.c:326 pfkey_error() warn: was negative '-ERESTARTSYS' intended? net/key/af_key.c:327 pfkey_error() warn: was negative '-ERESTARTNOHAND' intended? net/key/af_key.c:328 pfkey_error() warn: was negative '-ERESTARTNOINTR' intended? net/key/af_key.c:329 pfkey_error() warn: was negative '-EINTR' intended? net/key/af_key.c:331 pfkey_error() warn: was negative '-EINVAL' intended? net/netlink/af_netlink.c:1579 do_one_set_err() warn: was negative '-ENOBUFS' intended? net/netlink/af_netlink.c:2541 netlink_ack() warn: was negative '-ENOBUFS' intended? net/netlink/af_netlink.c:357 netlink_overrun() warn: was negative '-ENOBUFS' intended? net/netrom/af_netrom.c:108 nr_kill_by_device() warn: was negative '-ENETUNREACH' intended? net/netrom/nr_in.c:101 nr_state1_machine() warn: was negative '-ECONNRESET' intended? net/netrom/nr_in.c:120 nr_state2_machine() warn: was negative '-ECONNRESET' intended? net/netrom/nr_in.c:132 nr_state2_machine() warn: was negative '-ECONNRESET' intended? net/netrom/nr_in.c:169 nr_state3_machine() warn: was negative '-ECONNRESET' intended? net/netrom/nr_in.c:266 nr_state3_machine() warn: was negative '-ECONNRESET' intended? net/netrom/nr_in.c:96 nr_state1_machine() warn: was negative '-ECONNREFUSED' intended? net/netrom/nr_out.c:211 nr_transmit_buffer() warn: was negative '-ENETUNREACH' intended? net/netrom/nr_timer.c:215 nr_t1timer_expiry() warn: was negative '-ETIMEDOUT' intended? net/netrom/nr_timer.c:225 nr_t1timer_expiry() warn: was negative '-ETIMEDOUT' intended? net/netrom/nr_timer.c:235 nr_t1timer_expiry() warn: was negative '-ETIMEDOUT' intended? net/nfc/llcp_core.c:1216 nfc_llcp_recv_dm() warn: was negative '-ENXIO' intended? net/nfc/llcp_core.c:153 local_cleanup() warn: was negative '-ENXIO' intended? net/nfc/nci/core.c:556 nci_close_device() warn: was negative '-ENODEV' intended? net/packet/af_packet.c:3262 packet_do_bind() warn: was negative '-ENETDOWN' intended? net/packet/af_packet.c:4160 packet_notifier() warn: was negative '-ENETDOWN' intended? net/qrtr/af_qrtr.c:759 qrtr_reset_ports() warn: was negative '-ENETRESET' intended? net/rose/af_rose.c:172 rose_kill_by_neigh() warn: was negative '-ENETUNREACH' intended? net/rose/af_rose.c:192 rose_kill_by_device() warn: was negative '-ENETUNREACH' intended? net/rose/rose_in.c:58 rose_state1_machine() warn: was negative '-ECONNREFUSED' intended? net/rose/rose_timer.c:175 rose_timer_expiry() warn: was negative '-ETIMEDOUT' intended? net/rxrpc/peer_event.c:188 rxrpc_store_error() warn: was negative '-EACCES' intended? net/rxrpc/peer_event.c:189 rxrpc_store_error() warn: was negative '-EHOSTUNREACH' intended? net/sched/sch_etf.c:171 etf_enqueue_timesortedlist() warn: was negative '-EINVAL' intended? net/sched/sch_etf.c:220 timesortedlist_drop() warn: was negative '-ECANCELED' intended? net/sctp/input.c:557 sctp_v4_err_handle() warn: was negative '-EPROTO' intended? net/sctp/input.c:576 sctp_v4_err_handle() warn: was negative '-EHOSTUNREACH' intended? net/sctp/sm_statefuns.c:1050 sctp_sf_sendbeat_8_3() warn: was negative '-ETIMEDOUT' intended? net/sctp/sm_statefuns.c:1098 sctp_sf_send_reconf() warn: was negative '-ETIMEDOUT' intended? net/sctp/sm_statefuns.c:1841 sctp_sf_do_assoc_update() warn: was negative '-ECONNABORTED' intended? net/sctp/sm_statefuns.c:2535 sctp_sf_do_5_2_6_stale() warn: was negative '-ETIMEDOUT' intended? net/sctp/sm_statefuns.c:2699 __sctp_sf_do_9_1_abort() warn: was negative '-ECONNRESET' intended? net/sctp/sm_statefuns.c:2746 sctp_sf_cookie_wait_abort() warn: was negative '-ECONNREFUSED' intended? net/sctp/sm_statefuns.c:2762 sctp_sf_cookie_wait_icmp_abort() warn: was negative '-ENOPROTOOPT' intended? net/sctp/sm_statefuns.c:4075 sctp_sf_do_asconf_ack() warn: was negative '-ECONNABORTED' intended? net/sctp/sm_statefuns.c:4105 sctp_sf_do_asconf_ack() warn: was negative '-ECONNABORTED' intended? net/sctp/sm_statefuns.c:4749 sctp_sf_abort_violation() warn: was negative '-ECONNREFUSED' intended? net/sctp/sm_statefuns.c:4754 sctp_sf_abort_violation() warn: was negative '-ECONNABORTED' intended? net/sctp/sm_statefuns.c:4853 sctp_sf_violation_paramlen() warn: was negative '-ECONNABORTED' intended? net/sctp/sm_statefuns.c:5199 sctp_sf_do_9_1_prm_abort() warn: was negative '-ECONNABORTED' intended? net/sctp/sm_statefuns.c:5342 sctp_sf_cookie_wait_prm_abort() warn: was negative '-ECONNREFUSED' intended? net/sctp/sm_statefuns.c:5807 sctp_sf_do_6_3_3_rtx() warn: was negative '-ETIMEDOUT' intended? net/sctp/sm_statefuns.c:590 sctp_sf_do_5_1C_ack() warn: was negative '-ECONNREFUSED' intended? net/sctp/sm_statefuns.c:5936 sctp_sf_t1_init_timer_expire() warn: was negative '-ETIMEDOUT' intended? net/sctp/sm_statefuns.c:5993 sctp_sf_t1_cookie_timer_expire() warn: was negative '-ETIMEDOUT' intended? net/sctp/sm_statefuns.c:6033 sctp_sf_t2_timer_expire() warn: was negative '-ETIMEDOUT' intended? net/sctp/sm_statefuns.c:6119 sctp_sf_t4_timer_expire() warn: was negative '-ETIMEDOUT' intended? net/sctp/sm_statefuns.c:6178 sctp_sf_t5_timer_expire() warn: was negative '-ETIMEDOUT' intended? net/sctp/sm_statefuns.c:6615 sctp_eat_data() warn: was negative '-ECONNABORTED' intended? net/smc/af_smc.c:1497 __smc_connect() warn: was negative '-ETIMEDOUT' intended? net/smc/af_smc.c:1558 smc_connect_work() warn: was negative '-EPIPE' intended? net/smc/af_smc.c:1560 smc_connect_work() warn: was negative '-ECONNREFUSED' intended? net/smc/af_smc.c:1675 smc_clcsock_accept() warn: was negative '-ENOMEM' intended? net/smc/af_smc.c:327 smc_release() warn: was negative '-ECONNABORTED' intended? net/smc/smc_cdc.c:381 smc_cdc_msg_recv_action() warn: was negative '-ECONNRESET' intended? net/smc/smc_clc.c:681 smc_clc_wait_msg() warn: was negative '-EINTR' intended? net/smc/smc_clc.c:682 smc_clc_wait_msg() warn: was negative '-EINTR' intended? net/smc/smc_clc.c:687 smc_clc_wait_msg() warn: was negative '-EAGAIN' intended? net/smc/smc_clc.c:695 smc_clc_wait_msg() warn: was negative '-ECONNRESET' intended? net/smc/smc_clc.c:710 smc_clc_wait_msg() warn: was negative '-EPROTO' intended? net/smc/smc_clc.c:727 smc_clc_wait_msg() warn: was negative '-EPROTO' intended? net/smc/smc_close.c:133 smc_close_active_abort() warn: was negative '-ECONNABORTED' intended? net/smc/smc_close.c:135 smc_close_active_abort() warn: was negative '-ECONNABORTED' intended? net/smc/smc_core.c:1425 smc_conn_kill() warn: was negative '-ECONNABORTED' intended? net/smc/smc_tx.c:216 smc_tx_sendmsg() warn: was negative '-ECONNABORTED' intended? net/smc/smc_tx.c:582 smcr_tx_sndbuf_nonempty() warn: was negative '-ECONNABORTED' intended? net/tipc/socket.c:2286 tipc_sk_filter_connect() warn: was negative '-ECONNREFUSED' intended? net/tipc/socket.c:2841 tipc_sk_check_probing_state() warn: was negative '-ECONNABORTED' intended? net/tls/tls_sw.c:818 bpf_exec_tx_verdict() warn: was negative '-EBADMSG' intended? net/tls/tls_sw.c:847 bpf_exec_tx_verdict() warn: was negative '-EBADMSG' intended? net/vmw_vsock/af_vsock.c:1300 vsock_connect_timeout() warn: was negative '-ETIMEDOUT' intended? net/vmw_vsock/virtio_transport.c:331 virtio_vsock_reset_sock() warn: was negative '-ECONNRESET' intended? net/vmw_vsock/virtio_transport_common.c:1006 virtio_transport_recv_connecting() warn: was negative '-ECONNRESET' intended? net/vmw_vsock/virtio_transport_common.c:1010 virtio_transport_recv_connecting() warn: was negative '-EPROTO' intended? net/vmw_vsock/vmci_transport.c:1150 vmci_transport_recv_connecting_server() warn: was negative '-EPROTO' intended? net/vmw_vsock/vmci_transport.c:1158 vmci_transport_recv_connecting_server() warn: was negative '-EPROTO' intended? net/vmw_vsock/vmci_transport.c:1291 vmci_transport_recv_connecting_client() warn: was negative '-EPROTO' intended? net/vmw_vsock/vmci_transport.c:1317 vmci_transport_recv_connecting_client() warn: was negative '-EPROTO' intended? net/vmw_vsock/vmci_transport.c:1351 vmci_transport_recv_connecting_client() warn: was negative '-ECONNRESET' intended? net/vmw_vsock/vmci_transport.c:1359 vmci_transport_recv_connecting_client() warn: was negative '-EPROTO' intended? net/vmw_vsock/vmci_transport.c:835 vmci_transport_handle_detach() warn: was negative '-ECONNRESET' intended? net/x25/af_x25.c:1782 x25_kill_by_neigh() warn: was negative '-ENETUNREACH' intended? net/x25/x25_in.c:146 x25_state1_machine() warn: was negative '-EISCONN' intended? net/x25/x25_in.c:154 x25_state1_machine() warn: was negative '-ECONNREFUSED' intended? net/x25/x25_timer.c:152 x25_do_timer_expiry() warn: was negative '-ETIMEDOUT' intended? net/xdp/xsk.c:1351 xsk_notifier() warn: was negative '-ENETDOWN' intended? security/keys/keyctl.c:1312 keyctl_negate_key() warn: was negative '-ENOKEY' intended? security/keys/keyctl.c:1343 keyctl_reject_key() warn: was negative '-ERESTARTSYS' intended? security/keys/keyctl.c:1344 keyctl_reject_key() warn: was negative '-ERESTARTNOINTR' intended? security/keys/keyctl.c:1345 keyctl_reject_key() warn: was negative '-ERESTARTNOHAND' intended? security/keys/keyctl.c:1346 keyctl_reject_key() warn: was negative '-ERESTART_RESTARTBLOCK' intended? sound/isa/wavefront/wavefront_synth.c:1555 wavefront_synth_control() warn: was negative '-EINVAL' intended? sound/isa/wavefront/wavefront_synth.c:1583 wavefront_synth_control() warn: was negative '-EINVAL' intended?
On Sun, Mar 26, 2023 at 09:06:37AM +0200, Christophe JAILLET wrote: > If the probe is deferred, -EPROBE_DEFER should be returned, not > +EPROBE_DEFER. > > Fixes: 3cd2c313f1d6 ("dmaengine: mv_xor_v2: Fix clock resource by adding a register clock") > Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> > --- > drivers/dma/mv_xor_v2.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/dma/mv_xor_v2.c b/drivers/dma/mv_xor_v2.c > index 89790beba305..0991b8265829 100644 > --- a/drivers/dma/mv_xor_v2.c > +++ b/drivers/dma/mv_xor_v2.c > @@ -752,7 +752,7 @@ static int mv_xor_v2_probe(struct platform_device *pdev) > > xor_dev->clk = devm_clk_get(&pdev->dev, NULL); > if (PTR_ERR(xor_dev->clk) == -EPROBE_DEFER) { > - ret = EPROBE_DEFER; > + ret = -EPROBE_DEFER; > goto disable_reg_clk; Heh. Looking through the Smatch results, I don't think this actually affects runtime because driver_probe_device() checks for both positive and negatives. People shouldn't be returning positives, of course, but it appears there is a work around for bugs built in already. regards, dan carpenter
A bunch of false positives could be silenced by changing the assign
and return hooks to check for unsigned types:
static void match_assign(struct expression *expr)
{
if (expr_unsigned(expr->left))
return;
warn_on_positive_error(expr->right);
}
static void match_return(struct expression *expr)
{
struct symbol *type;
type = cur_func_return_type();
if (type_unsigned(type))
return;
warn_on_positive_error(expr);
}
regards,
dan carpenter
On 26-03-23, 09:06, Christophe JAILLET wrote: > If the probe is deferred, -EPROBE_DEFER should be returned, not > +EPROBE_DEFER. Applied both, thanks
Le 29/03/2023 à 12:27, Dan Carpenter a écrit : > On Sun, Mar 26, 2023 at 09:06:37AM +0200, Christophe JAILLET wrote: >> If the probe is deferred, -EPROBE_DEFER should be returned, not >> +EPROBE_DEFER. >> >> Fixes: 3cd2c313f1d6 ("dmaengine: mv_xor_v2: Fix clock resource by adding a register clock") >> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> >> --- >> drivers/dma/mv_xor_v2.c | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) >> >> diff --git a/drivers/dma/mv_xor_v2.c b/drivers/dma/mv_xor_v2.c >> index 89790beba305..0991b8265829 100644 >> --- a/drivers/dma/mv_xor_v2.c >> +++ b/drivers/dma/mv_xor_v2.c >> @@ -752,7 +752,7 @@ static int mv_xor_v2_probe(struct platform_device *pdev) >> >> xor_dev->clk = devm_clk_get(&pdev->dev, NULL); >> if (PTR_ERR(xor_dev->clk) == -EPROBE_DEFER) { >> - ret = EPROBE_DEFER; >> + ret = -EPROBE_DEFER; >> goto disable_reg_clk; > > Heh. Looking through the Smatch results, I don't think this actually > affects runtime because driver_probe_device() checks for both positive > and negatives. People shouldn't be returning positives, of course, but > it appears there is a work around for bugs built in already. Correct, but weird. I've tried to look at the history of [1], but couldn't find any rational for it. Apparently it was already in the v1 of the serie. [2] CJ [1]: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=45ddcb42949f825f0caa25352e825cede94b6aba [2]: https://lore.kernel.org/all/20210614150846.4111871-5-hch@lst.de/ > > regards, > dan carpenter > >
diff --git a/drivers/dma/mv_xor_v2.c b/drivers/dma/mv_xor_v2.c index 89790beba305..0991b8265829 100644 --- a/drivers/dma/mv_xor_v2.c +++ b/drivers/dma/mv_xor_v2.c @@ -752,7 +752,7 @@ static int mv_xor_v2_probe(struct platform_device *pdev) xor_dev->clk = devm_clk_get(&pdev->dev, NULL); if (PTR_ERR(xor_dev->clk) == -EPROBE_DEFER) { - ret = EPROBE_DEFER; + ret = -EPROBE_DEFER; goto disable_reg_clk; } if (!IS_ERR(xor_dev->clk)) {