diff options
Diffstat (limited to 'sys/kern/uipc_socket.c')
| -rw-r--r-- | sys/kern/uipc_socket.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/sys/kern/uipc_socket.c b/sys/kern/uipc_socket.c index 4243504..f4237a0 100644 --- a/sys/kern/uipc_socket.c +++ b/sys/kern/uipc_socket.c @@ -958,10 +958,12 @@ soshutdown(so, how) { register struct protosw *pr = so->so_proto; - how++; - if (how & FREAD) + if (!(how == SHUT_RD || how == SHUT_WR || how == SHUT_RDWR)) + return (EINVAL); + + if (how != SHUT_WR) sorflush(so); - if (how & FWRITE) + if (how != SHUT_RD) return ((*pr->pr_usrreqs->pru_shutdown)(so)); return (0); } |
