X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fnetwork%2Fsendmmsg.c;h=eeae1d0a5822503f5c572a46e3d3696f6c95b1b9;hb=c87d75f2aa6fde49a99cf3287e535a14f354f781;hp=ff9f86187238d71df0321460c186cd36f1797934;hpb=acb7e049b8c70b9e6ad57e8601373f9c991a0da4;p=musl

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