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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;
}
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