diff options
Diffstat (limited to 'sys/fs/devfs/devfs_devs.c')
| -rw-r--r-- | sys/fs/devfs/devfs_devs.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sys/fs/devfs/devfs_devs.c b/sys/fs/devfs/devfs_devs.c index db879efe803a..c6dcd4fc7646 100644 --- a/sys/fs/devfs/devfs_devs.c +++ b/sys/fs/devfs/devfs_devs.c @@ -86,6 +86,9 @@ sysctl_devname(SYSCTL_HANDLER_ARGS) struct cdev_priv *cdp; struct cdev *dev; + if (req->newptr == NULL) + return (EINVAL); + #ifdef COMPAT_FREEBSD11 if (req->newlen == sizeof(ud_compat)) { error = SYSCTL_IN(req, &ud_compat, sizeof(ud_compat)); |