drm/ttm: Fix 'buf' pointer update in ttm_bo_vm_access_kmap() (v2)

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commit 95244db2d3 upstream.

The buf pointer was not being incremented inside the loop
meaning the same block of data would be read or written
repeatedly.
(v2) Change 'buf' pointer to uint8_t* type

Cc: stable@vger.kernel.org
Fixes: 09ac4fcb3f ("drm/ttm: Implement vm_operations_struct.access v2")

Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Tom St Denis 2018-01-26 09:32:29 -05:00 • committed by Greg Kroah-Hartman

parent f02c3f7f6d

commit 15cdc016f1

1 changed files with 2 additions and 1 deletions

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drivers/gpu/drm/ttm/ttm_bo_vm.c

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