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authorChristophe JAILLET <christophe.jaillet@wanadoo.fr>2021-01-24 08:09:23 +0100
committerVinod Koul <vkoul@kernel.org>2021-01-26 23:01:32 +0530
commitfed1b6a00a191cad4dd843519b590e3d6ad9f843 (patch)
tree5ad2f3cc864294574874779b27fe35339960e91f /drivers/dma/ti
parente594443196d6e0ef3d3b30320c49b3a4d4f9a547 (diff)
dmaengine: ti: k3-udma: Fix a resource leak in an error handling path
In 'dma_pool_create()', we return -ENOMEM, but don't release the resources already allocated, as in all the other error handling paths. Go to 'err_res_free' instead of returning directly. Fixes: 017794739702 ("dmaengine: ti: k3-udma: Initial support for K3 BCDMA") Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Acked-by: Peter Ujfalusi <peter.ujfalusi@gmail.com> Link: https://lore.kernel.org/r/20210124070923.724479-1-christophe.jaillet@wanadoo.fr Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/ti')
-rw-r--r--drivers/dma/ti/k3-udma.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c
index 298460438bb4..f474a1232335 100644
--- a/drivers/dma/ti/k3-udma.c
+++ b/drivers/dma/ti/k3-udma.c
@@ -2401,7 +2401,8 @@ static int bcdma_alloc_chan_resources(struct dma_chan *chan)
dev_err(ud->ddev.dev,
"Descriptor pool allocation failed\n");
uc->use_dma_pool = false;
- return -ENOMEM;
+ ret = -ENOMEM;
+ goto err_res_free;
}
uc->use_dma_pool = true;