[PATCH] usb: usbfs: Fix deadlock of khubd

[Oliver Neukum]

The caller of usbfs_conn_disc_event() already holds usbfs_mutex.
Don't take it again.

Signed-off-by: Oliver Neukum <neukum@xxxxxxxxxxxxx>
---
 drivers/usb/core/devices.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c
index c83c975..08def6b 100644
--- a/drivers/usb/core/devices.c
+++ b/drivers/usb/core/devices.c
@@ -155,11 +155,10 @@ static const struct class_info clas_info[] =
 
 /*****************************************************************/
 
+/* the caller holds usbfs_mutex */
 void usbfs_conn_disc_event(void)
 {
-	mutex_lock(&usbfs_mutex);
 	conndiscevcnt++;
-	mutex_unlock(&usbfs_mutex);
 	wake_up(&deviceconndiscwq);
 }
 
-- 
1.6.4.2

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