forked from luck/tmp_suning_uos_patched
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>
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@ -347,10 +347,8 @@ static int handle_bidir (struct usblp *usblp)
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if (usblp->bidir && usblp->used && !usblp->sleeping) {
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usblp->readcount = 0;
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usblp->readurb->dev = usblp->dev;
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if (usb_submit_urb(usblp->readurb, GFP_KERNEL) < 0) {
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usblp->used = 0;
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if (usb_submit_urb(usblp->readurb, GFP_KERNEL) < 0)
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return -EIO;
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}
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}
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return 0;
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@ -412,6 +410,7 @@ static int usblp_open(struct inode *inode, struct file *file)
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usblp->readurb->status = 0;
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if (handle_bidir(usblp) < 0) {
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usblp->used = 0;
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file->private_data = NULL;
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retval = -EIO;
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}
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