X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=liblttng-ust-comm%2Flttng-ust-comm.c;h=d213770f7a25f69059810d14d5f12569636cba2b;hb=fe1a364a4aec831bb6c9e57a75bdf44da5077884;hp=bbc59fc2f986b26bd582212005b0e48c60f3a0ec;hpb=36e9db06696c38d75f1fd24f03772fc7309b667e;p=lttng-ust.git

diff --git a/liblttng-ust-comm/lttng-ust-comm.c b/liblttng-ust-comm/lttng-ust-comm.c
index bbc59fc2..d213770f 100644
--- a/liblttng-ust-comm/lttng-ust-comm.c
+++ b/liblttng-ust-comm/lttng-ust-comm.c
@@ -377,6 +377,8 @@ ssize_t ustcomm_send_fds_unix_sock(int sock, int *fds, size_t nb_fd)
 	msg.msg_controllen = CMSG_LEN(sizeof_fds);
 
 	cmptr = CMSG_FIRSTHDR(&msg);
+	if (!cmptr)
+		return -EINVAL;
 	cmptr->cmsg_level = SOL_SOCKET;
 	cmptr->cmsg_type = SCM_RIGHTS;
 	cmptr->cmsg_len = CMSG_LEN(sizeof_fds);