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Diffstat (limited to 'sys/kern/subr_disk.c')
-rw-r--r--sys/kern/subr_disk.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/sys/kern/subr_disk.c b/sys/kern/subr_disk.c
index ae347fff99d..35664552ebc 100644
--- a/sys/kern/subr_disk.c
+++ b/sys/kern/subr_disk.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: subr_disk.c,v 1.134 2011/12/28 14:34:13 jsing Exp $ */
+/* $OpenBSD: subr_disk.c,v 1.135 2011/12/28 16:02:45 jsing Exp $ */
/* $NetBSD: subr_disk.c,v 1.17 1996/03/16 23:17:08 christos Exp $ */
/*
@@ -866,17 +866,21 @@ disk_attach_callback(void *arg1, void *arg2)
if (dk->dk_devno == dev)
break;
}
- if (dk == NULL || (dk->dk_flags & (DKF_OPENED | DKF_NOLABELREAD)))
+ if (dk == NULL || (dk->dk_flags & (DKF_OPENED | DKF_NOLABELREAD))) {
+ wakeup(dk);
return;
+ }
/* XXX: Assumes dk is part of the device softc. */
device_ref(dk->dk_device);
/* Read disklabel. */
- disk_readlabel(&dl, dev, errbuf, sizeof(errbuf));
+ if (disk_readlabel(&dl, dev, errbuf, sizeof(errbuf)) == NULL)
+ dk->dk_flags |= DKF_LABELVALID;
dk->dk_flags |= DKF_OPENED;
device_unref(dk->dk_device);
+ wakeup(dk);
}
/*
@@ -1265,7 +1269,8 @@ gotswap:
bzero(&duid, sizeof(duid));
if (bcmp(rootduid, &duid, sizeof(rootduid)) != 0) {
TAILQ_FOREACH(dk, &disklist, dk_link)
- if (dk->dk_label && bcmp(dk->dk_label->d_uid,
+ if ((dk->dk_flags & DKF_LABELVALID) &&
+ dk->dk_label && bcmp(dk->dk_label->d_uid,
&rootduid, sizeof(rootduid)) == 0)
break;
if (dk == NULL)
@@ -1497,7 +1502,8 @@ disk_map(char *path, char *mappath, int size, int flags)
mdk = NULL;
TAILQ_FOREACH(dk, &disklist, dk_link) {
- if (dk->dk_label && bcmp(dk->dk_label->d_uid, uid,
+ if ((dk->dk_flags & DKF_LABELVALID) && dk->dk_label &&
+ bcmp(dk->dk_label->d_uid, uid,
sizeof(dk->dk_label->d_uid)) == 0) {
/* Fail if there are duplicate UIDs! */
if (mdk != NULL)