shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-08 03:40:35 +09:00
Code Issues Packages Projects Releases Wiki Activity

drm/nouveau/mem: guard against NULL pointer access in mem_del

Browse Source 
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:
Karol Herbst
2020-10-07 00:05:28 +02:00
committed by Greg Kroah-Hartman
parent 8ece83bf75
commit 456d77c1bd
1 changed files with 2 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/nouveau/nouveau_mem.c
View File

@@ -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;