Commit 130c2aff authored Nov 07, 2013 by Sree Sesha Aravind Vadrevu

msm: mdss: Sanitize input to writeback kickoff



The input frame buffer structure needs to be sanity checked for
the presence of ctl. It avoids initiating kickoff sequence
with an unattached ctl which can lead to a kernel panic.

CRs-fixed: 566720
Change-Id: I4b5cb7983092853aa2286bddee051a5e250e3744
Signed-off-by: Sree Sesha Aravind Vadrevu <svadrevu@codeaurora.org>

parent c936945a

drivers/video/msm/mdss/mdss_mdp_wb.c

+5 −0

Original line number	Diff line number	Diff line
		@@ -534,6 +534,11 @@ int mdss_mdp_wb_kickoff(struct msm_fb_data_type *mfd)
		.priv_data = &comp,
		};

		if (!ctl) {
		pr_err("no ctl attached to fb=%d devicet\n", mfd->index);
		return -ENODEV;
		}

		if (!ctl->power_on)
		return 0;