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dwc_otg_timer: need to hold intr lock when accessing sc_active queue

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This commit is contained in:
jmcneill 2013-01-23 03:32:39 +00:00
parent f11367c485
commit 36da25a46e
1 changed files with 3 additions and 4 deletions
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7
sys/dev/usb/dwc_otg.c
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@ -1,4 +1,4 @@
/* $NetBSD: dwc_otg.c,v 1.37 2013/01/22 21:59:52 jmcneill Exp $ */
/* $NetBSD: dwc_otg.c,v 1.38 2013/01/23 03:32:39 jmcneill Exp $ */
/*-
* Copyright (c) 2012 Hans Petter Selasky. All rights reserved.
@ -60,7 +60,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: dwc_otg.c,v 1.37 2013/01/22 21:59:52 jmcneill Exp $");
__KERNEL_RCSID(0, "$NetBSD: dwc_otg.c,v 1.38 2013/01/23 03:32:39 jmcneill Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -3192,14 +3192,13 @@ dwc_otg_timer(struct dwc_otg_softc *sc)
/* increment timer value */
sc->sc_tmr_val++;
mutex_spin_enter(&sc->sc_intr_lock);
TAILQ_FOREACH(xfer, &sc->sc_active, xnext) {
td = xfer->td_transfer_cache;
if (td != NULL)
td->did_nak = 0;
}
/* poll jobs */
mutex_spin_enter(&sc->sc_intr_lock);
dwc_otg_interrupt_poll(sc);
mutex_spin_exit(&sc->sc_intr_lock);