1 files changed, 35 insertions, 0 deletions
diff --git a/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3811-drm-amd-display-fix-dereferencing-possible-ERR_PTR.patch b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3811-drm-amd-display-fix-dereferencing-possible-ERR_PTR.patch
new file mode 100644
index 00000000..768edf53
--- /dev/null
+++ b/meta-amd-bsp/recipes-kernel/linux/linux-yocto-4.14.71/3811-drm-amd-display-fix-dereferencing-possible-ERR_PTR.patch
@@ -0,0 +1,35 @@
+From f71297d227149832f08bab9cee831239f7999e3e Mon Sep 17 00:00:00 2001
+From: Shirish S <shirish.s@amd.com>
+Date: Thu, 15 Mar 2018 16:01:00 +0530
+Subject: [PATCH 3811/4131] drm/amd/display: fix dereferencing possible
+ ERR_PTR()
+
+This patch fixes static checker warning caused by
+"36cc549d5986: "drm/amd/display: disable CRTCs with
+NULL FB on their primary plane (V2)"
+
+Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
+Signed-off-by: Shirish S <shirish.s@amd.com>
+Reviewed-by: Harry Wentland <harry.wentland@amd.com>
+Acked-by: Alex Deucher <alexander.deucher@amd.com>
+---
+ drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 3 +++
+ 1 file changed, 3 insertions(+)
+
+diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+index 6555f2d..c389e75 100644
+--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
++++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+@@ -4967,6 +4967,9 @@ static int dm_atomic_check_plane_state_fb(struct drm_atomic_state *state,
+ 			return -EDEADLK;
+ 
+ 		crtc_state = drm_atomic_get_crtc_state(plane_state->state, crtc);
++		if (IS_ERR(crtc_state))
++			return PTR_ERR(crtc_state);
++
+ 		if (crtc->primary == plane && crtc_state->active) {
+ 			if (!plane_state->fb)
+ 				return -EINVAL;
+-- 
+2.7.4
+