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Commit 01205a0e authored by Domen Puncer's avatar Domen Puncer Committed by Greg Kroah-Hartman
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[PATCH] USB: usblp: 2x up() in usblp_read 



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

Signed-off-by: default avatarDomen Puncer <domen@coderock.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent c11372da

drivers/usb/class/usblp.c

+1 −0
Original line number Original line Diff line number Diff line
@@ -753,6 +753,7 @@ static ssize_t usblp_read(struct file *file, char __user *buffer, size_t count, 
				schedule();

				schedule();

			} else {

			} else {

				set_current_state(TASK_RUNNING);

				set_current_state(TASK_RUNNING);

				down(&usblp->sem);

				break;

				break;

			}

			}

			down (&usblp->sem);

			down (&usblp->sem);