diff options
| -rw-r--r-- | src/network/sendmmsg.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/network/sendmmsg.c b/src/network/sendmmsg.c index ff9f8618..eeae1d0a 100644 --- a/src/network/sendmmsg.c +++ b/src/network/sendmmsg.c @@ -12,6 +12,7 @@ int sendmmsg(int fd, struct mmsghdr *msgvec, unsigned int vlen, unsigned int fla * and the cmsg blocks cannot be modified in-place. */ int i; if (vlen > IOV_MAX) vlen = IOV_MAX; /* This matches the kernel. */ + if (!vlen) return 0; for (i=0; i<vlen; i++) { /* As an unfortunate inconsistency, the sendmmsg API uses * unsigned int for the resulting msg_len, despite sendmsg |