diff options
Diffstat (limited to 'sys/kern/vfs_init.c')
| -rw-r--r-- | sys/kern/vfs_init.c | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/sys/kern/vfs_init.c b/sys/kern/vfs_init.c index 93ac001af8ad..ceda770cb714 100644 --- a/sys/kern/vfs_init.c +++ b/sys/kern/vfs_init.c @@ -399,7 +399,7 @@ vfs_register(struct vfsconf *vfc) static int once; struct vfsconf *tvfc; uint32_t hashval; - int secondpass; + int error, prevmaxconf, secondpass; if (!once) { vattr_null(&va_null); @@ -417,6 +417,7 @@ vfs_register(struct vfsconf *vfc) return (EEXIST); } + prevmaxconf = maxvfsconf; if (vfs_typenumhash != 0) { /* * Calculate a hash on vfc_name to use for vfc_typenum. Unless @@ -509,16 +510,24 @@ vfs_register(struct vfsconf *vfc) vfc->vfc_vfsops = &vfsops_sigdefer; } - if (vfc->vfc_flags & VFCF_JAIL) - prison_add_vfs(vfc); - /* * Call init function for this VFS... */ if ((vfc->vfc_flags & VFCF_SBDRY) != 0) - vfc->vfc_vfsops_sd->vfs_init(vfc); + error = vfc->vfc_vfsops_sd->vfs_init(vfc); else - vfc->vfc_vfsops->vfs_init(vfc); + error = vfc->vfc_vfsops->vfs_init(vfc); + + if (error != 0) { + maxvfsconf = prevmaxconf; + TAILQ_REMOVE(&vfsconf, vfc, vfc_list); + vfsconf_unlock(); + return (error); + } + + if ((vfc->vfc_flags & VFCF_JAIL) != 0) + prison_add_vfs(vfc); + vfsconf_unlock(); /* |