diff mbox series

[4.14,338/343] dmaengine: ti: edma: fix missed failure handling

Message ID 20200124093004.248067110@linuxfoundation.org
State New
Headers show
Series None | expand

Commit Message

Greg KH Jan. 24, 2020, 9:32 a.m. UTC 
From: Chuhong Yuan <hslester96@gmail.com>

[ Upstream commit 340049d453682a9fe8d91fe794dd091730f4bb25 ]

When devm_kcalloc fails, it forgets to call edma_free_slot.
Replace direct return with failure handler to fix it.

Fixes: 1be5336bc7ba ("dmaengine: edma: New device tree binding")
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Link: https://lore.kernel.org/r/20191118073802.28424-1-hslester96@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/dma/edma.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c
index 519c24465dea4..57a49fe713fdc 100644
--- a/drivers/dma/edma.c
+++ b/drivers/dma/edma.c
@@ -2340,8 +2340,10 @@  static int edma_probe(struct platform_device *pdev)
 
 		ecc->tc_list = devm_kcalloc(dev, ecc->num_tc,
 					    sizeof(*ecc->tc_list), GFP_KERNEL);
-		if (!ecc->tc_list)
-			return -ENOMEM;
+		if (!ecc->tc_list) {
+			ret = -ENOMEM;
+			goto err_reg1;
+		}
 
 		for (i = 0;; i++) {
 			ret = of_parse_phandle_with_fixed_args(node, "ti,tptcs",