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authorphk <phk@FreeBSD.org>2004-02-21 23:52:03 +0000
committerphk <phk@FreeBSD.org>2004-02-21 23:52:03 +0000
commit711ff67b9052cfc5036ea0c293d33008f3f1a4aa (patch)
tree53dc00aecd00003a90aa2e24e42a3fca778ccf98 /sys
parent4f161dd3db79fba5ba7de5b89a2549caa5c71928 (diff)
downloadFreeBSD-src-711ff67b9052cfc5036ea0c293d33008f3f1a4aa.zip
FreeBSD-src-711ff67b9052cfc5036ea0c293d33008f3f1a4aa.tar.gz
Check for NODEV return from udev2dev()
Diffstat (limited to 'sys')
-rw-r--r--sys/kern/vfs_subr.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/kern/vfs_subr.c b/sys/kern/vfs_subr.c
index e43c78a..2fcf3ac 100644
--- a/sys/kern/vfs_subr.c
+++ b/sys/kern/vfs_subr.c
@@ -1808,6 +1808,8 @@ addaliasu(nvp, nvp_rdev)
if (nvp->v_type != VCHR)
panic("addaliasu on non-special vnode");
dev = udev2dev(nvp_rdev);
+ if (dev == NODEV)
+ return (nvp);
/*
* Check to see if we have a bdevvp vnode with no associated
* filesystem. If so, we want to associate the filesystem of
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