openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

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: 0177947397 ("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>
This commit is contained in:
Christophe JAILLET 2021-01-24 08:09:23 +01:00 committed by Vinod Koul
parent e594443196
commit fed1b6a00a
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/dma/ti/k3-udma.c
View File

@ -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;