Commit 5ba36a75 authored Apr 01, 2016 by Jayant Shekhar

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>

parent 6bd9d495

drivers/video/msm/mdss/mdss_mdp_pipe.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;
		}