From 847ca5586053e76de7a1a12381c700ef7e696410 Mon Sep 17 00:00:00 2001
From: leslie <unknown>
Date: Sat, 13 Feb 2010 11:09:13 +0100
Subject: [PATCH] sasc: added jirif's mutex patch

---
 contrib/sasc-ng/dvbloopback/module/dvb_loopback.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/contrib/sasc-ng/dvbloopback/module/dvb_loopback.c b/contrib/sasc-ng/dvbloopback/module/dvb_loopback.c
index 041a320..55e6402 100644
--- a/contrib/sasc-ng/dvbloopback/module/dvb_loopback.c
+++ b/contrib/sasc-ng/dvbloopback/module/dvb_loopback.c
@@ -485,7 +485,10 @@ static int dvblb_release(struct inode *inode, struct file *f)
 		goto out;
 	}
 	lbdev->pid = -1;
-	mutex_lock_interruptible(&lbdev->lock_buffer);
+        if (mutex_lock_interruptible(&lbdev->lock_buffer)) {
+                ret = -ERESTARTSYS;
+                goto out;
+        }
 	if (lbdev->buffer) {
 		rvfree(lbdev->buffer, lbdev->buflen*N_BUFFS);
 		lbdev->buffer = NULL;
-- 
2.39.5