1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/usb/usbip/stub_main.c b/drivers/usb/usbip/stub_main.c
index 41c7b9de2a92..bf8a5feb0ee9 100644
--- a/drivers/usb/usbip/stub_main.c
+++ b/drivers/usb/usbip/stub_main.c
@@ -82,7 +82,8 @@ struct bus_id_priv *get_busid_priv(const char *busid)
 
 void put_busid_priv(struct bus_id_priv *bid)
 {
-        spin_unlock(&bid->busid_lock);
+        if (bid)
+                spin_unlock(&bid->busid_lock);
 }
 
 static int add_match_busid(char *busid)