diff options
Diffstat (limited to 'sys/kern/kern_prot.c')
-rw-r--r-- | sys/kern/kern_prot.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sys/kern/kern_prot.c b/sys/kern/kern_prot.c index 7bc8123..0cf6583 100644 --- a/sys/kern/kern_prot.c +++ b/sys/kern/kern_prot.c @@ -36,7 +36,7 @@ * SUCH DAMAGE. * * @(#)kern_prot.c 8.6 (Berkeley) 1/21/94 - * $Id: kern_prot.c,v 1.18 1996/09/01 22:15:54 ache Exp $ + * $Id: kern_prot.c,v 1.19 1996/09/03 12:52:58 bde Exp $ */ /* @@ -275,6 +275,8 @@ setpgid(curp, uap, retval) register struct proc *targp; /* target process */ register struct pgrp *pgrp; /* target pgrp */ + if (uap->pgid < 0) + return (EINVAL); if (uap->pid != 0 && uap->pid != curp->p_pid) { if ((targp = pfind(uap->pid)) == 0 || !inferior(targp)) return (ESRCH); |