Re: [PATCH] drm/mm: prevent a potential null-pointer dereference

2020-09-11 Thread Jing Xiangfeng
On 2020/9/10 16:58, Christian König wrote: Am 10.09.20 um 04:38 schrieb Jing Xiangfeng: The macro 'DECLARE_NEXT_HOLE_ADDR' may hit a potential null-pointer dereference. So use 'entry' after checking it. I don't see a potential null-pointer dereference here. Where should that be? In curren

Re: [PATCH] drm/mm: prevent a potential null-pointer dereference

2020-09-10 Thread Christian König
Am 10.09.20 um 04:38 schrieb Jing Xiangfeng: The macro 'DECLARE_NEXT_HOLE_ADDR' may hit a potential null-pointer dereference. So use 'entry' after checking it. I don't see a potential null-pointer dereference here. Where should that be? Christian. Fixes: 5fad79fd66ff ("drm/mm: cleanup and

[PATCH] drm/mm: prevent a potential null-pointer dereference

2020-09-10 Thread Jing Xiangfeng
The macro 'DECLARE_NEXT_HOLE_ADDR' may hit a potential null-pointer dereference. So use 'entry' after checking it. Fixes: 5fad79fd66ff ("drm/mm: cleanup and improve next_hole_*_addr()") Signed-off-by: Jing Xiangfeng --- drivers/gpu/drm/drm_mm.c | 7 +-- 1 file changed, 5 insertions(+), 2 del