diff options
Diffstat (limited to 'sys/kern/vfs_subr.c')
| -rw-r--r-- | sys/kern/vfs_subr.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/kern/vfs_subr.c b/sys/kern/vfs_subr.c index 95ed98d3217d..96e8bb765972 100644 --- a/sys/kern/vfs_subr.c +++ b/sys/kern/vfs_subr.c @@ -6519,6 +6519,8 @@ sysctl_vfs_ctl(SYSCTL_HANDLER_ARGS) int error; struct mount *mp; + if (req->newptr == NULL) + return (EINVAL); error = SYSCTL_IN(req, &vc, sizeof(vc)); if (error) return (error); |