lkml.org 
[lkml]   [2018]   [Oct]   [22]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] skd: fix unchecked return values
On Fri, Oct 19, 2018 at 08:44:17PM +0200, Gustavo A. R. Silva wrote:
> Check return values of dma_set_mask_and_coherent().
>
> Otherwise, if dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
> fails, the following piece of code will be executed even when the call
> to dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); returns 0:
>
> dev_err(&pdev->dev, "DMA mask error %d\n", rc);
> goto err_out_regions;
>
> Addresses-Coverity-ID: 1474553 ("Unchecked return value")
> Fixes: 138126214868 ("skd: switch to the generic DMA API")
> Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>

Thanks, looks good:

Reviewed-by: Christoph Hellwig <hch@lst.de>

\
 
 \ /
  Last update: 2018-10-22 11:15    [W:0.120 / U:0.304 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site