HID: unlock on error path in hid_device_probe()

We recently introduced locking into this function, but we missed an
error path which needs an unlock.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

1 files changed, 5 insertions, 3 deletions

diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index d34eb34dbe25..d98332b11009 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1642,8 +1642,10 @@ static int hid_device_probe(struct device *dev)
 
         if (!hdev->driver) {
                 id = hid_match_device(hdev, hdrv);
-                if (id == NULL)
-                        return -ENODEV;
+                if (id == NULL) {
+                        ret = -ENODEV;
+                        goto unlock;
+                }
 
                 hdev->driver = hdrv;
                 if (hdrv->probe) {
@@ -1656,7 +1658,7 @@ static int hid_device_probe(struct device *dev)
                 if (ret)
                         hdev->driver = NULL;
         }
-
+unlock:
         up(&hdev->driver_lock);
         return ret;
 }