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xhci(4): Don't panic on suspend if previous suspend/resume failed. 

Trying to resume again probably won't make the situation much worse,
but panicking can definitely make it worse.

XXX pullup-10
This commit is contained in:
riastradh 2023-07-20 11:59:04 +00:00
parent b82bc0398d
commit c10d630225
1 changed files with 2 additions and 3 deletions
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5
sys/dev/usb/xhci.c
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@ -1,4 +1,4 @@
/* $NetBSD: xhci.c,v 1.179 2023/06/05 03:44:47 mlelstv Exp $ */
/* $NetBSD: xhci.c,v 1.180 2023/07/20 11:59:04 riastradh Exp $ */
/*
* Copyright (c) 2013 Jonathan A. Kollasch
@ -34,7 +34,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: xhci.c,v 1.179 2023/06/05 03:44:47 mlelstv Exp $");
__KERNEL_RCSID(0, "$NetBSD: xhci.c,v 1.180 2023/07/20 11:59:04 riastradh Exp $");
#ifdef _KERNEL_OPT
#include "opt_usb.h"
@ -700,7 +700,6 @@ xhci_suspend(device_t self, const pmf_qual_t *qual)
*/
mutex_enter(&sc->sc_lock);
KASSERT(sc->sc_suspender == NULL);
KASSERT(!sc->sc_suspendresume_failed);
sc->sc_suspender = curlwp;
while (sc->sc_command_addr != 0)
cv_wait(&sc->sc_cmdbusy_cv, &sc->sc_lock);