Seems to be a duplicate of
https://patchwork.freedesktop.org/patch/479378/
Thanks
Abhinav
On 3/29/2022 3:34 AM, cgel.zte@xxxxxxxxx wrote:
From: Lv Ruyi <lv.ruyi@xxxxxxxxxx>
kzalloc is a memory allocation function which can return NULL when some
internal memory errors happen. Add null pointer check to avoid
dereferencing null pointer.
Reported-by: Zeal Robot <zealci@xxxxxxxxxx>
Signed-off-by: Lv Ruyi <lv.ruyi@xxxxxxxxxx>
---
drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c b/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c
index 5d2ff6791058..acfe1b31e079 100644
--- a/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c
+++ b/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c
@@ -176,6 +176,8 @@ void msm_disp_snapshot_add_block(struct msm_disp_state *disp_state, u32 len,
va_list va;
new_blk = kzalloc(sizeof(struct msm_disp_state_block), GFP_KERNEL);
+ if (!new_blk)
+ return;
va_start(va, fmt);
