mgcp_internal: LOGPENDP: ensure *endp is not NULL

In certain cases the endp can be NULL. LOGPENDP will dereference the
pointer to retreive the endpoint number.

Fixes: 8a893442a1e9 ("mgcp_internal: LOGPENDP: ensure *endp is not NULL")
Change-Id: Ie9b5ecf08f69533ccb2fbd7fbbb529105e0c922f
1 file changed