If change_protocol() fails and we goto out_raw, then it calls unlock
twice. I noticed that the other time we called change_protocol() we
held the &dev->lock, so I changed it to hold it here too.
Signed-off-by: Dan Carpenter <erro...@gmail.com>
---
Compile tested only.
diff --git a/drivers/media/rc/rc-main.c b/drivers/media/rc/rc-main.c
index f57cd56..136a6c6 100644
--- a/drivers/media/rc/rc-main.c
+++ b/drivers/media/rc/rc-main.c
@@ -1097,7 +1097,6 @@ int rc_register_device(struct rc_dev *dev)
if (rc < 0)
goto out_input;
}
- mutex_unlock(&dev->lock);
if (dev->change_protocol) {
rc = dev->change_protocol(dev, rc_map->rc_type);
@@ -1105,6 +1104,8 @@ int rc_register_device(struct rc_dev *dev)
goto out_raw;
}
+ mutex_unlock(&dev->lock);
+
IR_dprintk(1, "Registered rc%ld (driver: %s, remote: %s, mode %s)\n",
dev->devno,
dev->driver_name ? dev->driver_name : "unknown",
--
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