V4L/DVB (13721): [Mantis] Bug! Before bailing out, Unlock

Thanks to hotwings <user.vdr@gmail.com> for pointing out the bug

Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/drivers/media/dvb/mantis/mantis_i2c.c b/drivers/media/dvb/mantis/mantis_i2c.c
index 005df1e90a16..45d9e6bd9628 100644
--- a/drivers/media/dvb/mantis/mantis_i2c.c
+++ b/drivers/media/dvb/mantis/mantis_i2c.c
@@ -133,11 +133,15 @@ static int mantis_i2c_xfer(struct i2c_adapter *adapter, struct i2c_msg *msgs, in
                         ret = mantis_i2c_write(mantis, &msgs[i]);
 
                 if (ret < 0)
-                        return ret;
+                        goto bail_out;
         }
         mutex_unlock(&mantis->i2c_lock);
 
         return num;
+
+bail_out:
+        mutex_unlock(&mantis->i2c_lock);
+        return ret;
 }
 
 static u32 mantis_i2c_func(struct i2c_adapter *adapter)