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Add some missing splvm()/splx() around uvm_km_* I noticed.

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This commit is contained in:
bouyer 2006-07-30 10:49:48 +00:00
parent b2d0a8f49e
commit ae11e4655e
1 changed files with 7 additions and 2 deletions
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9
sys/dev/pci/twa.c
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@ -1,4 +1,4 @@
/* $NetBSD: twa.c,v 1.8 2006/07/29 00:13:57 wrstuden Exp $ */
/* $NetBSD: twa.c,v 1.9 2006/07/30 10:49:48 bouyer Exp $ */
/* $wasabi: twa.c,v 1.27 2006/07/28 18:17:21 wrstuden Exp $ */
/*-
@ -74,7 +74,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: twa.c,v 1.8 2006/07/29 00:13:57 wrstuden Exp $");
__KERNEL_RCSID(0, "$NetBSD: twa.c,v 1.9 2006/07/30 10:49:48 bouyer Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -489,6 +489,7 @@ twa_unmap_request(struct twa_request *tr)
{
struct twa_softc *sc = tr->tr_sc;
uint8_t cmd_status;
int s;
/* If the command involved data, unmap that too. */
if (tr->tr_data != NULL) {
@ -519,8 +520,10 @@ twa_unmap_request(struct twa_request *tr)
/* Free alignment buffer if it was used. */
if (tr->tr_flags & TWA_CMD_DATA_COPY_NEEDED) {
s = splvm();
uvm_km_free(kmem_map, (vaddr_t)tr->tr_data,
tr->tr_length, UVM_KMF_WIRED);
splx(s);
tr->tr_data = tr->tr_real_data;
tr->tr_length = tr->tr_real_length;
}
@ -1803,8 +1806,10 @@ twa_map_request(struct twa_request *tr)
tr->tr_dma_map->dm_nsegs, error))) {
if (tr->tr_flags & TWA_CMD_DATA_COPY_NEEDED) {
s = splvm();
uvm_km_free(kmem_map, (vaddr_t)tr->tr_data,
tr->tr_length, UVM_KMF_WIRED);
splx(s);
tr->tr_data = tr->tr_real_data;
tr->tr_length = tr->tr_real_length;
}