mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-09-14 06:35:12 +00:00
drm/nouveau/mem: guard against NULL pointer access in mem_del
commit d10285a25e
upstream.
other drivers seems to do something similar
Signed-off-by: Karol Herbst <kherbst@redhat.com>
Cc: dri-devel <dri-devel@lists.freedesktop.org>
Cc: Dave Airlie <airlied@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20201006220528.13925-2-kherbst@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
parent
8ece83bf75
commit
456d77c1bd
1 changed files with 2 additions and 0 deletions
|
@ -176,6 +176,8 @@ void
|
|||
nouveau_mem_del(struct ttm_mem_reg *reg)
|
||||
{
|
||||
struct nouveau_mem *mem = nouveau_mem(reg);
|
||||
if (!mem)
|
||||
return;
|
||||
nouveau_mem_fini(mem);
|
||||
kfree(reg->mm_node);
|
||||
reg->mm_node = NULL;
|
||||
|
|
Loading…
Reference in a new issue