drm/radeon: check for allocation failure in radeon_ring_backup()
authorDan Carpenter <dan.carpenter@oracle.com>
Fri, 20 Jul 2012 11:17:00 +0000 (14:17 +0300)
committerDave Airlie <airlied@redhat.com>
Wed, 25 Jul 2012 04:12:17 +0000 (14:12 +1000)
commit1e179d4e283bd197035960ef751b5ccac06cbf91
tree56c654d2772ceb77823669d79c0f1b491226dec5
parentd1c7871ddb1f588b8eb35affd9ee1a3d5e11cd0c
drm/radeon: check for allocation failure in radeon_ring_backup()

Static checkers complain if this we don't check for allocation failure.
Also we can use the new kmalloc_array() function here as a cleanup.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
drivers/gpu/drm/radeon/radeon_ring.c