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sc(4) at vme(4): Fix panic due to false ENOMEM for DMA buffer 

Similar fix to "sc(4) at mbmem(4)" one; make sure flags are correctly
initialized.

sun3 is not affected.
This commit is contained in:
rin 2023-08-04 14:04:44 +00:00
parent a4d9265c1d
commit f4f701360a
1 changed files with 4 additions and 4 deletions
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8
sys/dev/vme/sc_vme.c
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@ -1,4 +1,4 @@
/* $NetBSD: sc_vme.c,v 1.18 2019/11/10 21:16:38 chs Exp $ */
/* $NetBSD: sc_vme.c,v 1.19 2023/08/04 14:04:44 rin Exp $ */
/*-
* Copyright (c) 1996,2000,2001 The NetBSD Foundation, Inc.
@ -62,14 +62,14 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: sc_vme.c,v 1.18 2019/11/10 21:16:38 chs Exp $");
__KERNEL_RCSID(0, "$NetBSD: sc_vme.c,v 1.19 2023/08/04 14:04:44 rin Exp $");
#include "opt_ddb.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/malloc.h>
#include <sys/kmem.h>
#include <sys/errno.h>
#include <sys/device.h>
#include <sys/buf.h>
@ -188,7 +188,7 @@ sc_vme_attach(device_t parent, device_t self, void *aux)
* Allocate DMA handles.
*/
i = SUNSCPAL_OPENINGS * sizeof(struct sunscpal_dma_handle);
sc->sc_dma_handles = malloc(i, M_DEVBUF, M_WAITOK);
sc->sc_dma_handles = kmem_zalloc(i, KM_SLEEP);
for (i = 0; i < SUNSCPAL_OPENINGS; i++) {
sc->sc_dma_handles[i].dh_flags = 0;