From: Xiaoke Wang xkernel.wang@foxmail.com
kzalloc() is a memory allocation function which can return NULL when some internal memory errors happen. So it is better to check it to prevent potential wrong memory access.
Signed-off-by: Xiaoke Wang xkernel.wang@foxmail.com --- 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 cabe151..369e57f 100644 --- a/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c +++ b/drivers/gpu/drm/msm/disp/msm_disp_snapshot_util.c @@ -169,6 +169,8 @@ 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);
--