tree c0a5459e06bb4a6010a7faaf539193565a9dd41a
parent c79beec8f6cd3976fc92d296ebd0b788997f9ce1
author Jacob Erlbeck <jerlbeck@sysmocom.de> 1413818556 +0200
committer Holger Hans Peter Freyther <holger@moiji-mobile.com> 1414399620 +0100

gbproxy: Fix segfault for VTY delete-gbproxy-link

Currently the code segfaults when the link shall be deleted by IMSI
when the IMSI has not been set yet.

This patch adds a NULL check to skip the entry before calling
gsm48_mi_to_string,

Adresses:
Program received signal SIGSEGV, Segmentation fault.
0xb693af77 in gsm48_mi_to_string (string=0xbfffe020 "", str_len=200,
mi=0x0, mi_len=0) at gsm48.c:360
    360         mi_type = mi[0] & GSM_MI_TYPE_MASK;
    str_len=200, mi=0x0, mi_len=0) at gsm48.c:360
    self=0x807c9a0 <delete_gb_link_by_id_cmd>, vty=0xb4303c70,
     argc=3, argv=0xbfffe1c0) at gb_proxy_vty.c:670
...

Sponsored-by: On-Waves ehf