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Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0333-drm-vc4-Fix-NULL-deref-in-HDMI-init-error-path.patch')
-rw-r--r--target/linux/brcm2708/patches-4.4/0333-drm-vc4-Fix-NULL-deref-in-HDMI-init-error-path.patch25
1 files changed, 25 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0333-drm-vc4-Fix-NULL-deref-in-HDMI-init-error-path.patch b/target/linux/brcm2708/patches-4.4/0333-drm-vc4-Fix-NULL-deref-in-HDMI-init-error-path.patch
new file mode 100644
index 0000000000..cf7a647307
--- /dev/null
+++ b/target/linux/brcm2708/patches-4.4/0333-drm-vc4-Fix-NULL-deref-in-HDMI-init-error-path.patch
@@ -0,0 +1,25 @@
+From 1d72ad4fa3c57879ab677f66ce957a093eeb577c Mon Sep 17 00:00:00 2001
+From: Eric Anholt <eric@anholt.net>
+Date: Mon, 4 Apr 2016 14:25:59 -0700
+Subject: [PATCH 333/423] drm/vc4: Fix NULL deref in HDMI init error path
+
+If you make it here other than through err_destroy_encoder, vc4->hdmi
+is still NULL.
+
+Signed-off-by: Eric Anholt <eric@anholt.net>
+(cherry picked from commit 5883980313af70aec0ceebaef6ef0709726e5e63)
+---
+ drivers/gpu/drm/vc4/vc4_hdmi.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
++++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
+@@ -573,7 +573,7 @@ err_unprepare_hsm:
+ err_unprepare_pix:
+ clk_disable_unprepare(hdmi->pixel_clock);
+ err_put_i2c:
+- put_device(&vc4->hdmi->ddc->dev);
++ put_device(&hdmi->ddc->dev);
+
+ return ret;
+ }