diff options
| author | Julian Elischer <julian@FreeBSD.org> | 1995-12-14 18:26:55 +0000 |
|---|---|---|
| committer | Julian Elischer <julian@FreeBSD.org> | 1995-12-14 18:26:55 +0000 |
| commit | e9fc6a73db114ac2aedf78b2cb7bca5114a0fc74 (patch) | |
| tree | 7d10ec28dc13f23978c6ffa1cc6a252281305a3b | |
| parent | 091e867f75334be112597c22f11f4b0a632c019a (diff) | |
Notes
| -rw-r--r-- | sys/miscfs/kernfs/kernfs_vfsops.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/sys/miscfs/kernfs/kernfs_vfsops.c b/sys/miscfs/kernfs/kernfs_vfsops.c index 46634a5b066a..c1ccf0783f4a 100644 --- a/sys/miscfs/kernfs/kernfs_vfsops.c +++ b/sys/miscfs/kernfs/kernfs_vfsops.c @@ -34,7 +34,7 @@ * SUCH DAMAGE. * * @(#)kernfs_vfsops.c 8.4 (Berkeley) 1/21/94 - * $Id: kernfs_vfsops.c,v 1.11 1995/12/11 09:24:32 phk Exp $ + * $Id: kernfs_vfsops.c,v 1.12 1995/12/13 15:13:28 julian Exp $ */ /* @@ -119,8 +119,12 @@ kernfs_init() printf("kernfs_init\n"); /* printed during system boot */ #endif + if (!bdevsw[bmaj]) { + panic("root dev has no bdevsw"); + } for (cmaj = 0; cmaj < nchrdev; cmaj++) { - if (cdevsw[cmaj]->d_open == bdevsw[bmaj]->d_open) { + if (cdevsw[cmaj] + && (cdevsw[cmaj]->d_open == bdevsw[bmaj]->d_open)) { dev_t cdev = makedev(cmaj, minor(rootdev)); error = cdevvp(cdev, &rrootvp); if (error == 0) |