[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>
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@ -753,6 +753,7 @@ static ssize_t usblp_read(struct file *file, char __user *buffer, size_t count,
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schedule();
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} else {
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set_current_state(TASK_RUNNING);
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down(&usblp->sem);
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break;
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}
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down (&usblp->sem);
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