drm/amdgpu: use post-decrement in error handling

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commit 09ccbb74b6 upstream.

We need to use post-decrement to get the pci_map_page undone also for
i==0, and to avoid some very unpleasant behaviour if pci_map_page
failed already at i==0.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Rasmus Villemoes 2016-02-15 19:41:45 +01:00 • committed by Greg Kroah-Hartman

parent 4d6bc4fa32

commit 8fb49d08fa

1 changed files with 1 additions and 1 deletions

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drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c

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