[PATCH] USB: usblp: 2x up() in usblp_read

up(&usblp->sem) was called twice in a row in this code path.

Signed-off-by: Domen Puncer <domen@coderock.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c
index dff1341..7ce43fb 100644
--- a/drivers/usb/class/usblp.c
+++ b/drivers/usb/class/usblp.c
@@ -753,6 +753,7 @@
 				schedule();
 			} else {
 				set_current_state(TASK_RUNNING);
+				down(&usblp->sem);
 				break;
 			}
 			down (&usblp->sem);