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Commit 4a01991b authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
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Merge "diag: Read from USB without holding spinlock"

parents 6897f46d 0bfef4cd

drivers/char/diag/diag_usb.c

+2 −0
Original line number Diff line number Diff line
@@ -312,7 +312,9 @@ static void usb_read_work_fn(struct work_struct *work) 
		atomic_set(&ch->read_pending, 1);

		req->buf = ch->read_buf;

		req->length = USB_MAX_OUT_BUF;

		spin_unlock_irqrestore(&ch->lock, flags);

		err = usb_diag_read(ch->hdl, req);

		spin_lock_irqsave(&ch->lock, flags);

		if (err) {

			pr_debug("diag: In %s, error in reading from USB %s, err: %d\n",

				 __func__, ch->name, err);