]> git.baikalelectronics.ru Git - kernel.git/commit
drm/mgag200: fix null pointer dereference
authorDevendra Naga <devendra.aaru@gmail.com>
Sat, 7 Jul 2012 09:22:15 +0000 (09:22 +0000)
committerDave Airlie <airlied@redhat.com>
Fri, 20 Jul 2012 02:05:25 +0000 (22:05 -0400)
commit9d4f79d04c918348ee8a4b9d5602b2b216612bbc
tree145d64cae53ae09aa5e74c3774f89cfd3e4a1f25
parent76cd1c82371e0ba19be1f4fd04e272198026c48a
drm/mgag200: fix null pointer dereference

we are referencing the pointer after doing alloc_apertures,
as alloc_apertures kzallocs, the kzalloc may fail and we get a NULL.

so we need to check for NULL before we dereference this pointer

Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
drivers/gpu/drm/mgag200/mgag200_drv.c