From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Sun, 21 Oct 2012 12:54:26 +0000 (+0800)
Subject: OMAPDSS: HDMI: fix missing unlock on error in hdmi_dump_regs()
X-Git-Tag: firefly_0821_release~3680^2~1437^2^2~63
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=f8fb7d7b7bbaa9336aa44675f56fd2f329516200;p=firefly-linux-kernel-4.4.55.git

OMAPDSS: HDMI: fix missing unlock on error in hdmi_dump_regs()

Add the missing unlock on the error handling path in function
hdmi_dump_regs().

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Reviewed-by: Sumit Semwal <sumit.semwal@ti.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
---

diff --git a/drivers/video/omap2/dss/hdmi.c b/drivers/video/omap2/dss/hdmi.c
index adcc906d12f8..0d6d7213a858 100644
--- a/drivers/video/omap2/dss/hdmi.c
+++ b/drivers/video/omap2/dss/hdmi.c
@@ -645,8 +645,10 @@ static void hdmi_dump_regs(struct seq_file *s)
 {
 	mutex_lock(&hdmi.lock);
 
-	if (hdmi_runtime_get())
+	if (hdmi_runtime_get()) {
+		mutex_unlock(&hdmi.lock);
 		return;
+	}
 
 	hdmi.ip_data.ops->dump_wrapper(&hdmi.ip_data, s);
 	hdmi.ip_data.ops->dump_pll(&hdmi.ip_data, s);