X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=liblttng-ust-comm%2Flttng-ust-comm.c;h=1e9972d2461f77c617c6f67864d8fe019caa2f7b;hb=ebd4c257bc3ca6b659a90ee6219f5389fb3ab5e5;hp=6edb395f18ca32498a6d5c9c96dc6b2a23cb2737;hpb=9f8140ba23fd62cad18be0f58193480e6b5aaae6;p=lttng-ust.git

diff --git a/liblttng-ust-comm/lttng-ust-comm.c b/liblttng-ust-comm/lttng-ust-comm.c
index 6edb395f..1e9972d2 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);