From: Stoyan Gaydarov <sgayda2@uiuc.edu>
Date: Thu, 6 Aug 2009 22:07:28 +0000 (-0700)
Subject: drivers/w1/masters/omap_hdq.c: fix missing mutex unlock
X-Git-Tag: firefly_0821_release~13224
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=2020002a878403a6858868d85a43623f74859dba;p=firefly-linux-kernel-4.4.55.git

drivers/w1/masters/omap_hdq.c: fix missing mutex unlock

This was found using a semantic patch, more info can be found at:
http://www.emn.fr/x-info/coccinelle/

Signed-off-by: Stoyan Gaydarov <sgayda2@uiuc.edu>
Acked-by: Evgeniy Polyakov <johnpol@2ka.mipt.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/drivers/w1/masters/omap_hdq.c b/drivers/w1/masters/omap_hdq.c
index a7e3b706b9d3..0d92969404c3 100644
--- a/drivers/w1/masters/omap_hdq.c
+++ b/drivers/w1/masters/omap_hdq.c
@@ -687,6 +687,7 @@ static int omap_hdq_remove(struct platform_device *pdev)
 
 	if (hdq_data->hdq_usecount) {
 		dev_dbg(&pdev->dev, "removed when use count is not zero\n");
+		mutex_unlock(&hdq_data->hdq_mutex);
 		return -EBUSY;
 	}