diff options
| author | Jayant Shekhar <jshekhar@codeaurora.org> | 2016-04-01 14:37:53 +0530 |
|---|---|---|
| committer | Jeevan Shriram <jshriram@codeaurora.org> | 2016-04-26 14:38:09 -0700 |
| commit | 8f1887371a96cefc86784095cbf01cf13c8cc9b7 (patch) | |
| tree | 8441e3be9795f8ce2d52eb68130f5dcefe549588 /drivers/video/fbdev/msm | |
| parent | 44111e6548757e73fe2978002c99738b097b4bd4 (diff) | |
msm: mdss: Fix potential pipe NULL pointer dereference
NULL pointer derefernce can happen with variable pipe
struct during pipe intialization. Fix this to add a
check for NULL pointer.
Change-Id: I3241ed89979deb777ca62d0c893afb96926820ee
Signed-off-by: Jayant Shekhar <jshekhar@codeaurora.org>
Diffstat (limited to 'drivers/video/fbdev/msm')
| -rw-r--r-- | drivers/video/fbdev/msm/mdss_mdp_pipe.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/video/fbdev/msm/mdss_mdp_pipe.c b/drivers/video/fbdev/msm/mdss_mdp_pipe.c index 44eded98e785..08db5424a178 100644 --- a/drivers/video/fbdev/msm/mdss_mdp_pipe.c +++ b/drivers/video/fbdev/msm/mdss_mdp_pipe.c @@ -1129,7 +1129,7 @@ static struct mdss_mdp_pipe *mdss_mdp_pipe_init(struct mdss_mdp_mixer *mixer, for (i = off; i < npipes; i++) { pipe = pipe_pool + i; - if (atomic_read(&pipe->kref.refcount) == 0) { + if (pipe && atomic_read(&pipe->kref.refcount) == 0) { pipe->mixer_left = mixer; break; } |