From d48974bb7aa1368ac972e0cc6c7bb25f129b3e12 Mon Sep 17 00:00:00 2001 From: Animesh Kishore Date: Fri, 16 Mar 2018 15:18:07 +0530 Subject: [PATCH] mdss: mdp: Add null check for ctl Check if ctl is NULL and flag error. Change-Id: I3a1a1d04ff1dab0aada06071498529b48222c465 Signed-off-by: Animesh Kishore --- drivers/video/fbdev/msm/mdss_mdp_intf_cmd.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/video/fbdev/msm/mdss_mdp_intf_cmd.c b/drivers/video/fbdev/msm/mdss_mdp_intf_cmd.c index a259ddda2ce2..478dca59db2b 100644 --- a/drivers/video/fbdev/msm/mdss_mdp_intf_cmd.c +++ b/drivers/video/fbdev/msm/mdss_mdp_intf_cmd.c @@ -738,6 +738,12 @@ int mdss_mdp_resource_control(struct mdss_mdp_ctl *ctl, u32 sw_event) int rc = 0; bool schedule_off = false; + if (!ctl) { + pr_err("%s invalid ctl\n", __func__); + rc = -EINVAL; + goto exit; + } + /* Get both controllers in the correct order for dual displays */ mdss_mdp_get_split_display_ctls(&ctl, &sctl); -- 2.11.0