diff mbox series

[5.10,16/54] dmaengine: xilinx_dma: Fix devm_platform_ioremap_resource error handling

Message ID 20221013175147.760049909@linuxfoundation.org
State New
Headers
Series None |

Commit Message

Greg KH Oct. 13, 2022, 5:52 p.m. UTC 
  From: Swati Agarwal <swati.agarwal@xilinx.com>

[ Upstream commit 91df7751eb890e970afc08f50b8f0fa5ea39e03d ]

Add missing cleanup in devm_platform_ioremap_resource().
When probe fails remove dma channel resources and disable clocks in
accordance with the order of resources allocated .

Signed-off-by: Swati Agarwal <swati.agarwal@xilinx.com>
Link: https://lore.kernel.org/r/20220817061125.4720-2-swati.agarwal@xilinx.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/dma/xilinx/xilinx_dma.c | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/drivers/dma/xilinx/xilinx_dma.c b/drivers/dma/xilinx/xilinx_dma.c
index cab4719e4cf9..36801126312e 100644
--- a/drivers/dma/xilinx/xilinx_dma.c
+++ b/drivers/dma/xilinx/xilinx_dma.c
@@ -3020,9 +3020,10 @@  static int xilinx_dma_probe(struct platform_device *pdev)
 
 	/* Request and map I/O memory */
 	xdev->regs = devm_platform_ioremap_resource(pdev, 0);
-	if (IS_ERR(xdev->regs))
-		return PTR_ERR(xdev->regs);
-
+	if (IS_ERR(xdev->regs)) {
+		err = PTR_ERR(xdev->regs);
+		goto disable_clks;
+	}
 	/* Retrieve the DMA engine properties from the device tree */
 	xdev->max_buffer_len = GENMASK(XILINX_DMA_MAX_TRANS_LEN_MAX - 1, 0);
 	xdev->s2mm_chan_id = xdev->dma_config->max_channels / 2;
@@ -3115,7 +3116,7 @@  static int xilinx_dma_probe(struct platform_device *pdev)
 	for_each_child_of_node(node, child) {
 		err = xilinx_dma_child_probe(xdev, child);
 		if (err < 0)
-			goto disable_clks;
+			goto error;
 	}
 
 	if (xdev->dma_config->dmatype == XDMA_TYPE_VDMA) {
@@ -3150,12 +3151,12 @@  static int xilinx_dma_probe(struct platform_device *pdev)
 
 	return 0;
 
-disable_clks:
-	xdma_disable_allclks(xdev);
 error:
 	for (i = 0; i < xdev->dma_config->max_channels; i++)
 		if (xdev->chan[i])
 			xilinx_dma_chan_remove(xdev->chan[i]);
+disable_clks:
+	xdma_disable_allclks(xdev);
 
 	return err;
 }