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: upstream/snapshot3+hdmi~6212^2~2
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=dffc70ade1d13edd186f542718c4d78a31d92fb8;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.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 a48a7dd..8c9b8b3 100644
--- a/drivers/video/omap2/dss/hdmi.c
+++ b/drivers/video/omap2/dss/hdmi.c
@@ -644,8 +644,10 @@ 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);