From bda119845012fec03521f2f1630044a9dc3ee0bd Mon Sep 17 00:00:00 2001
From: Algea Cao <algea.cao@rock-chips.com>
Date: Wed, 31 Jan 2018 17:10:56 +0800
Subject: [PATCH] media: cec: Fix crash if HPD is occurred before adapt
 allocated.

Change-Id: I4d546cdbbecfd124c7cd6a985f0843879037b6dc
Signed-off-by: Algea Cao <algea.cao@rock-chips.com>
---
 drivers/media/cec/cec-adap.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/media/cec/cec-adap.c b/drivers/media/cec/cec-adap.c
index 48466dd92ca9..d1acb48ebc33 100644
--- a/drivers/media/cec/cec-adap.c
+++ b/drivers/media/cec/cec-adap.c
@@ -169,6 +169,8 @@ void cec_queue_pin_hpd_event(struct cec_adapter *adap, bool is_high, ktime_t ts)
 	};
 	struct cec_fh *fh;
 
+	if (!adap)
+		return;
 	/* hdmi HPD may occur before devnode is registered */
 	if (!adap->devnode.registered)
 		return;