[PATCH 1/1] Staging: lirc, fix lock imbalance

[Jiri Slaby]

There is an omitted unlock in one fail path in vfd_write, jump to the
right place to unlock the lock.

Signed-off-by: Jiri Slaby <jslaby at suse.cz>
Cc: Jarod Wilson <jarod at redhat.com>
Cc: Mauro Carvalho Chehab <mchehab at redhat.com>
---
 drivers/staging/lirc/lirc_sasem.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/lirc/lirc_sasem.c b/drivers/staging/lirc/lirc_sasem.c
index b496ff1..433c3b8 100644
--- a/drivers/staging/lirc/lirc_sasem.c
+++ b/drivers/staging/lirc/lirc_sasem.c
@@ -386,8 +386,10 @@ static ssize_t vfd_write(struct file *file, const char *buf,
 	}
 
 	data_buf = memdup_user(buf, n_bytes);
-	if (PTR_ERR(data_buf))
-		return PTR_ERR(data_buf);
+	if (PTR_ERR(data_buf)) {
+		retval = PTR_ERR(data_buf);
+		goto exit;
+	}
 
 	memcpy(context->tx.data_buf, data_buf, n_bytes);
 
-- 
1.7.2.2