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>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c
index ad632f2d6f94..0647164d36db 100644
--- 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;