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Add some spl calls to protect critical regions. From kern/18440, 

Takeshi Nakayama.
This commit is contained in:
augustss 2002-09-29 20:58:25 +00:00
parent f0d8fa7f7d
commit 25ff7d8c33
1 changed files with 7 additions and 2 deletions
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9
sys/dev/usb/ohci.c
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@ -1,4 +1,4 @@
/* $NetBSD: ohci.c,v 1.128 2002/09/27 15:37:35 provos Exp $ */
/* $NetBSD: ohci.c,v 1.129 2002/09/29 20:58:25 augustss Exp $ */
/* $FreeBSD: src/sys/dev/usb/ohci.c,v 1.22 1999/11/17 22:33:40 n_hibma Exp $ */
/*
@ -46,7 +46,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: ohci.c,v 1.128 2002/09/27 15:37:35 provos Exp $");
__KERNEL_RCSID(0, "$NetBSD: ohci.c,v 1.129 2002/09/29 20:58:25 augustss Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -597,6 +597,7 @@ ohci_alloc_sitd(ohci_softc_t *sc)
OHCI_ITD_ALIGN, &dma);
if (err)
return (NULL);
s = splusb();
for(i = 0; i < OHCI_SITD_CHUNK; i++) {
offs = i * OHCI_SITD_SIZE;
sitd = KERNADDR(&dma, offs);
@ -604,6 +605,7 @@ ohci_alloc_sitd(ohci_softc_t *sc)
sitd->nextitd = sc->sc_freeitds;
sc->sc_freeitds = sitd;
}
splx(s);
}
s = splusb();
@ -1201,8 +1203,11 @@ void
ohci_rhsc_enable(void *v_sc)
{
ohci_softc_t *sc = v_sc;
int s;
s = splhardusb();
ohci_rhsc_able(sc, 1);
splx(s);
}
#ifdef OHCI_DEBUG