From: Frank Lichtenheld <fr...@lichtenheld.com>

As Coverity says:
Either the check against null is unnecessary, or there may be a null
pointer dereference.
In phase2_tcp_server: Pointer is checked against null but then
dereferenced anyway

There is only one caller (link_socket_init_phase2) and it already has
an ASSERT(sig_info). So use that here was well.

v2:
 - fix cleanly by actually asserting that sig_info is defined

Change-Id: I8ef199463d46303129a3f563fd9eace780a58b8a
Signed-off-by: Frank Lichtenheld <fr...@lichtenheld.com>
Acked-by: Arne Schwabe <arne-open...@rfc2549.org>
---

This change was reviewed on Gerrit and approved by at least one
developer. I request to merge it to master.

Gerrit URL: https://gerrit.openvpn.net/c/openvpn/+/490
This mail reflects revision 2 of this Change.

Acked-by according to Gerrit (reflected above):
Arne Schwabe <arne-open...@rfc2549.org>

        
diff --git a/src/openvpn/socket.c b/src/openvpn/socket.c
index 480f4e5..387cb40 100644
--- a/src/openvpn/socket.c
+++ b/src/openvpn/socket.c
@@ -2005,7 +2005,8 @@
 phase2_tcp_server(struct link_socket *sock, const char *remote_dynamic,
                   struct signal_info *sig_info)
 {
-    volatile int *signal_received = sig_info ? &sig_info->signal_received : 
NULL;
+    ASSERT(sig_info);
+    volatile int *signal_received = &sig_info->signal_received;
     switch (sock->mode)
     {
         case LS_MODE_DEFAULT:
@@ -2031,7 +2032,7 @@
                                         false);
             if (!socket_defined(sock->sd))
             {
-                register_signal(sig_info, SIGTERM, "socket-undefiled");
+                register_signal(sig_info, SIGTERM, "socket-undefined");
                 return;
             }
             tcp_connection_established(&sock->info.lsa->actual);


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