usblp: Don't let suspend to kill ->used
Suspend destroys refcounting for open/release.
Signed-off-by: Pete Zaitcev <zaitcev@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c
index 7b1edfe..6778f9a 100644
--- a/drivers/usb/class/usblp.c
+++ b/drivers/usb/class/usblp.c
@@ -347,10 +347,8 @@
if (usblp->bidir && usblp->used && !usblp->sleeping) {
usblp->readcount = 0;
usblp->readurb->dev = usblp->dev;
- if (usb_submit_urb(usblp->readurb, GFP_KERNEL) < 0) {
- usblp->used = 0;
+ if (usb_submit_urb(usblp->readurb, GFP_KERNEL) < 0)
return -EIO;
- }
}
return 0;
@@ -412,6 +410,7 @@
usblp->readurb->status = 0;
if (handle_bidir(usblp) < 0) {
+ usblp->used = 0;
file->private_data = NULL;
retval = -EIO;
}