gnrc_sock_udp: fix possibly dereferenced NULL pointer (RIOT-OS#6203)

kb2ma · Jan 14, 2017 · f6d09ed · f6d09ed
1 parent 9602988
commit f6d09ed
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/sys/net/gnrc/sock/udp/gnrc_sock_udp.c b/sys/net/gnrc/sock/udp/gnrc_sock_udp.c
@@ -249,7 +249,7 @@ ssize_t sock_udp_send(sock_udp_t *sock, const void *data, size_t len,
         dst_port = remote->port;
     }
     if ((remote != NULL) && (remote->family == AF_UNSPEC) &&
-        (sock->remote.family != AF_UNSPEC)) {
+        (sock != NULL) && (sock->remote.family != AF_UNSPEC)) {
         /* remote was set on create so take its family */
         rem.family = sock->remote.family;
     }