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(parent: 92bcc9d) | patch
drm/vc4: Return -EFAULT on copy_from_user() failure
authorDan Carpenter <dan.carpenter@oracle.com>
Tue, 8 Mar 2016 12:09:41 +0000 (15:09 +0300)
committerEric Anholt <eric@anholt.net>
Mon, 14 Mar 2016 00:09:12 +0000 (17:09 -0700)
commit72b3baaf42c3ca1c18aee11de710c4d532e9e1a3
treea06a893368b7acc7f6505f8511cd05a43c398637tree | snapshot
parent92bcc9d7b7abd60573bc5962e2c95ea6c164b0a9commit | diff
drm/vc4: Return -EFAULT on copy_from_user() failure

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

Fixes: b9551bccfe7e ('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>
drivers/gpu/drm/vc4/vc4_bo.c diff | blob | history
Linux Kernel Source Tree.