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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Bobby Eshleman , Bryan Tan , Vishnu Dasa CC: , , , , , , , From: Arseniy Krasnov Subject: [RFC PATCH v4 0/3] vsock: return errors other than -ENOMEM to socket X-Originating-IP: [172.16.1.6] X-ClientProxiedBy: S-MS-EXCH02.sberdevices.ru (172.16.1.5) To S-MS-EXCH01.sberdevices.ru (172.16.1.4) X-KSMG-Rule-ID: 4 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Status: not scanned, disabled by settings X-KSMG-AntiSpam-Interceptor-Info: not scanned X-KSMG-AntiPhishing: not scanned, disabled by settings X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 1.1.2.30, bases: 2023/04/02 13:52:00 #21029650 X-KSMG-AntiVirus-Status: Clean, skipped X-Spam-Status: No, score=-0.2 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,DKIM_VALID_EF,SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1762089998511678822?= X-GMAIL-MSGID: =?utf-8?q?1762089998511678822?= Hello, this patchset removes behaviour, where error code returned from any transport was always switched to ENOMEM. This works in the same way as patch from Bobby Eshleman: commit c43170b7e157 ("vsock: return errors other than -ENOMEM to socket"), but for receive calls. VMCI transport is also updated (both tx and rx SOCK_STREAM callbacks), because it returns VMCI specific error code to af_vsock.c (like VMCI_ERROR_*). Tx path is already merged to net, so it was excluded from patchset in v4. At the same time, virtio and Hyper-V transports are using general error codes, so there is no need to update them. vsock_test suite is also updated. Link to v1: https://lore.kernel.org/netdev/97f19214-ba04-c47e-7486-72e8aa16c690@sberdevices.ru/ Link to v2: https://lore.kernel.org/netdev/60abc0da-0412-6e25-eeb0-8e32e3ec21e7@sberdevices.ru/ Link to v3: https://lore.kernel.org/netdev/dead4842-333a-015e-028b-302151336ff9@sberdevices.ru/ Changelog: v1 -> v2: - Add patch for VMCI as Vishnu Dasa suggested. v2 -> v3: - Change type of 'err' var in VMCI patches from 'int' to 'ssize_t'. - Split VMCI patch to two patches: for send and for receive cases. - Reorder patches: move VMCI before af_vsock.c. v3 -> v4: - Exclude VMCI patch for send from patchset (merged to 'net'). - Update commit message of VMCI patch for receive. Arseniy Krasnov (3): vsock/vmci: convert VMCI error code to -ENOMEM on receive vsock: return errors other than -ENOMEM to socket vsock/test: update expected return values net/vmw_vsock/af_vsock.c | 4 ++-- net/vmw_vsock/vmci_transport.c | 11 +++++++++-- tools/testing/vsock/vsock_test.c | 4 ++-- 3 files changed, 13 insertions(+), 6 deletions(-)