BUG/MINOR: Prevent a use-after-free on error scenario on option "-x".

This was introduced with recent commit f73629d ("MINOR: global: Add an
option to get the old listening sockets."). No backport is needed.

diff --git a/src/haproxy.c b/src/haproxy.c
index 2316100..7af1092 100644 (file)
--- a/src/haproxy.c
+++ b/src/haproxy.c
@@ -997,6 +997,7 @@ static int get_old_sockets(const char *unixsocket)
                if (getsockname(fd, (struct sockaddr *)&xfer_sock->addr, &socklen) != 0) {
                        Warning("Failed to get socket address\n");
                        free(xfer_sock);
+                       xfer_sock = NULL;
                        continue;
                }
                if (curoff >= maxoff) {