USB: fix pm counter leak in usblp

if you fail in open() you must decrement the pm counter again.

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Cc: stable <stable@kernel.org>
Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>

diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c
index ad632f2d6f94534e61a5ff6241a9671f517b1eea..0647164d36db562758cde201619d98e5ed9327a1 100644 (file)
--- a/drivers/usb/class/usblp.c
+++ b/drivers/usb/class/usblp.c
@@ -428,6 +428,7 @@ static int usblp_open(struct inode *inode, struct file *file)
        usblp->rcomplete = 0;
 
        if (handle_bidir(usblp) < 0) {
+               usb_autopm_put_interface(intf);
                usblp->used = 0;
                file->private_data = NULL;
                retval = -EIO;