Re: [PATCH] dmaengine: ioatdma: Fix error handling path in 'ioat_dma_self_test()'
From: Dave Jiang
Date: Wed Jul 19 2017 - 18:21:30 EST
On 07/19/2017 03:16 PM, Christophe JAILLET wrote:
> If the 'memcmp' fails, free allocated resources as done in all other
> error handling paths.
>
> Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
Good catch! Thanks.
Signed-off-by: Dave Jiang <dave.jiang@xxxxxxxxx>
> ---
> Please review carefully, this patch looks "too obvious" to me!
> ---
> drivers/dma/ioat/init.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/dma/ioat/init.c b/drivers/dma/ioat/init.c
> index ed8ed1192775..948fc1f8fb5c 100644
> --- a/drivers/dma/ioat/init.c
> +++ b/drivers/dma/ioat/init.c
> @@ -390,7 +390,7 @@ static int ioat_dma_self_test(struct ioatdma_device *ioat_dma)
> if (memcmp(src, dest, IOAT_TEST_SIZE)) {
> dev_err(dev, "Self-test copy failed compare, disabling\n");
> err = -ENODEV;
> - goto free_resources;
> + goto unmap_dma;
> }
>
> unmap_dma:
>