drm/vc4: Return -EFAULT on copy_from_user() failure

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The copy_from_user() function returns the number of bytes not copied but
we want to return a negative error code.

Fixes: 463873d570 ('drm/vc4: Add an API for creating GPU shaders in GEM BOs.')
Cc: stable@vger.kernel.org
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Eric Anholt <eric@anholt.net>

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Dan Carpenter 2016-03-08 15:09:41 +03:00 • committed by Eric Anholt

parent 0b06e0a794

commit 585cb132a4

1 changed files with 4 additions and 3 deletions

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drivers/gpu/drm/vc4/vc4_bo.c

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