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Re: [PATCH] dmaengine: ioatdma: Fix error handling path in 'ioat_dma_self_test()'

From Dave Jiang <dave.jiang@intel.com>
Newsgroups linux.kernel
Subject Re: [PATCH] dmaengine: ioatdma: Fix error handling path in 'ioat_dma_self_test()'
Date 2017-07-20 00:30 +0200
Message-ID <u55DH-6xU-7@gated-at.bofh.it> (permalink)
References <u55u2-6uk-7@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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@wanadoo.fr>

Good catch! Thanks.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>

> ---
> 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:
> 

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Thread

[PATCH] dmaengine: ioatdma: Fix error handling path in 'ioat_dma_self_test()' Christophe JAILLET <christophe.jaillet@wanadoo.fr> - 2017-07-20 00:20 +0200
  Re: [PATCH] dmaengine: ioatdma: Fix error handling path in  'ioat_dma_self_test()' Dave Jiang <dave.jiang@intel.com> - 2017-07-20 00:30 +0200
    Re: [PATCH] dmaengine: ioatdma: Fix error handling path in  'ioat_dma_self_test()' Vinod Koul <vinod.koul@intel.com> - 2017-07-21 08:30 +0200
      Re: [PATCH] dmaengine: ioatdma: Fix error handling path in  'ioat_dma_self_test()' "Jiang, Dave" <dave.jiang@intel.com> - 2017-07-21 08:50 +0200
  Re: [PATCH] dmaengine: ioatdma: Fix error handling path in 'ioat_dma_self_test()' walter harms <wharms@bfs.de> - 2017-07-20 09:30 +0200
    Re: [PATCH] dmaengine: ioatdma: Fix error handling path in  'ioat_dma_self_test()' Dave Jiang <dave.jiang@intel.com> - 2017-07-20 19:00 +0200
      Re: [PATCH] dmaengine: ioatdma: Fix error handling path in 'ioat_dma_self_test()' walter harms <wharms@bfs.de> - 2017-07-21 09:30 +0200
        Re: [PATCH] dmaengine: ioatdma: Fix error handling path in  'ioat_dma_self_test()' Julia Lawall <julia.lawall@lip6.fr> - 2017-07-21 09:30 +0200
          Re: [PATCH] dmaengine: ioatdma: Fix error handling path in  'ioat_dma_self_test()' Dan Carpenter <dan.carpenter@oracle.com> - 2017-07-21 11:40 +0200
      Re: [PATCH] dmaengine: ioatdma: Fix error handling path in  'ioat_dma_self_test()' Vinod Koul <vinod.koul@intel.com> - 2017-07-21 10:00 +0200
        Re: [PATCH] dmaengine: ioatdma: Fix error handling path in  'ioat_dma_self_test()' Dave Jiang <dave.jiang@intel.com> - 2017-07-21 19:00 +0200

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