From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Fri, 20 Jul 2012 11:17:00 +0000 (+0300)
Subject: drm/radeon: check for allocation failure in radeon_ring_backup()
X-Git-Tag: v3.6-rc1~83^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1e179d4e283bd197035960ef751b5ccac06cbf91;p=pandora-kernel.git

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>
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