Commit 4db71f23 authored Nov 16, 2017 by Veera Sundaram Sankaran

drm/msm/sde: avoid null pointer dereference in secure_check



Add NULL pointer check while printing the crtc id during error
case. There is a possibility that the atomic state passed
might be NULL leading to cur_crtc not populated at all.

Change-Id: I49bef15ac0deeb6d731bffe7c9a0e8300b2c2fbb
Signed-off-by: Veera Sundaram Sankaran <veeras@codeaurora.org>

parent 76913944

drivers/gpu/drm/msm/sde/sde_kms.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -1974,7 +1974,7 @@ static int sde_kms_check_secure_transition(struct msm_kms *kms,
		} else if (global_crtc && (global_crtc != cur_crtc)) {
		SDE_ERROR(
		"crtc%d-sec%d not allowed during crtc%d-sec%d\n",
		cur_crtc->base.id, sec_session,
		cur_crtc ? cur_crtc->base.id : -1, sec_session,
		global_crtc->base.id, global_sec_session);
		return -EPERM;
		}