[media] rc: unlock on error in show_protocols()

We recently introduced a new return -ENODEV in this function but we need to unlock before returning. [[email protected]: found two patches with the same fix. Merged SOB's/acks into one patch] Acked-by: Herton R. Krzesinski <[email protected]> Signed-off-by: Dan Carpenter <[email protected]> Cc: [email protected] Signed-off-by: Douglas Bagnall <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]>
bpopovych · Dec 26, 2012 · 30ebc5e · 30ebc5e
1 parent 45b8259
commit 30ebc5e
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/drivers/media/rc/rc-main.c b/drivers/media/rc/rc-main.c
@@ -789,8 +789,10 @@ static ssize_t show_protocols(struct device *device,
 	} else if (dev->raw) {
 		enabled = dev->raw->enabled_protocols;
 		allowed = ir_raw_get_allowed_protocols();
-	} else
+	} else {
+		mutex_unlock(&dev->lock);
 		return -ENODEV;
+	}
 
 	IR_dprintk(1, "allowed - 0x%llx, enabled - 0x%llx\n",
 		   (long long)allowed,