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Commit 49fa0921 authored by Jiri Slaby's avatar Jiri Slaby Committed by Greg Kroah-Hartman
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USB: wusbcore/wa-xfer, fix lock imbalance 



Fix locking on one wa_urb_enqueue_b's fail path. There was omitted unlock.

Signed-off-by: default avatarJiri Slaby <jirislaby@gmail.com>
Cc: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent a08b43ae

drivers/usb/wusbcore/wa-xfer.c

+3 −1
Original line number Diff line number Diff line
@@ -921,8 +921,10 @@ static void wa_urb_enqueue_b(struct wa_xfer *xfer) 
	result = -ENODEV;

	/* FIXME: segmentation broken -- kills DWA */

	mutex_lock(&wusbhc->mutex);		/* get a WUSB dev */

	if (urb->dev == NULL)

	if (urb->dev == NULL) {

		mutex_unlock(&wusbhc->mutex);

		goto error_dev_gone;

	}

	wusb_dev = __wusb_dev_get_by_usb_dev(wusbhc, urb->dev);

	if (wusb_dev == NULL) {

		mutex_unlock(&wusbhc->mutex);