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Re: [PATCH] dma-engine: Fix array index out of bounds warning in __get_unmap_pool()

From Dan Williams <dan.j.williams@intel.com>
Newsgroups linux.kernel
Subject Re: [PATCH] dma-engine: Fix array index out of bounds warning in __get_unmap_pool()
Date 2017-03-13 23:00 +0100
Message-ID <tkGat-6RP-5@gated-at.bofh.it> (permalink)
References <tkFR8-6IY-31@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Mon, Mar 13, 2017 at 2:30 PM, Matthias Kaehlcke <mka@chromium.org> wrote:
> This fixes the following warning when building with clang and
> CONFIG_DMA_ENGINE_RAID=n :
>
> drivers/dma/dmaengine.c:1102:11: error: array index 2 is past the end of the array (which contains 1 element) [-Werror,-Warray-bounds]
>                 return &unmap_pool[2];
>                         ^          ~
> drivers/dma/dmaengine.c:1083:1: note: array 'unmap_pool' declared here
> static struct dmaengine_unmap_pool unmap_pool[] = {
> ^
> drivers/dma/dmaengine.c:1104:11: error: array index 3 is past the end of the array (which contains 1 element) [-Werror,-Warray-bounds]
>                 return &unmap_pool[3];
>                         ^          ~
> drivers/dma/dmaengine.c:1083:1: note: array 'unmap_pool' declared here
> static struct dmaengine_unmap_pool unmap_pool[] = {
>
> Signed-off-by: Matthias Kaehlcke <mka@chromium.org>

Reviewed-by: Dan Williams <dan.j.williams@intel.com>

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Thread

[PATCH] dma-engine: Fix array index out of bounds warning in __get_unmap_pool() Matthias Kaehlcke <mka@chromium.org> - 2017-03-13 22:40 +0100
  Re: [PATCH] dma-engine: Fix array index out of bounds warning in __get_unmap_pool() Dan Williams <dan.j.williams@intel.com> - 2017-03-13 23:00 +0100
  Re: [PATCH] dma-engine: Fix array index out of bounds warning in  __get_unmap_pool() Vinod Koul <vinod.koul@intel.com> - 2017-03-14 05:50 +0100

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