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Commit b900d579 authored by Hemmo Nieminen's avatar Hemmo Nieminen Committed by Greg Kroah-Hartman
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staging: rtl8712: Improve suspend/resume functionality. 



Fix a driver hang caused by earlier suspend/resume cycles. By handling a
ENODEV error during suspend as a real error we eventually end up stopping
the whole driver.

Fix this by handling the ENODEV error (during suspend) essentially by
retrying.

Signed-off-by: default avatarHemmo Nieminen <hemmo.nieminen@iki.fi>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent f99ca866

drivers/staging/rtl8712/usb_ops_linux.c

+6 −4
Original line number Diff line number Diff line
@@ -228,16 +228,18 @@ static void r8712_usb_read_port_complete(struct urb *purb) 
		}

	} else {

		switch (purb->status) {

		case -ENOENT:

			if (padapter->bSuspended)

				break;

			/* Fall through. */

		case -EINVAL:

		case -EPIPE:

		case -ENODEV:

		case -ESHUTDOWN:

			padapter->bDriverStopped = true;

			break;

		case -ENOENT:

			if (!padapter->bSuspended) {

				padapter->bDriverStopped = true;

				break;

			}

			/* Fall through. */

		case -EPROTO:

			precvbuf->reuse = true;

			r8712_read_port(padapter, precvpriv->ff_hwaddr, 0,