[sr-dev] git:4.3:d2600807: core: dns cache - test for null pointers before debug checks after removing from list

Module: kamailio Branch: 4.3 Commit: d260080724b8f9ec0a3c55b3cee3ce34205b814c URL: https://github.com/kamailio/kamailio/commit/d260080724b8f9ec0a3c55b3cee3ce3… Author: Daniel-Constantin Mierla <miconda(a)gmail.com> Committer: Daniel-Constantin Mierla <miconda(a)gmail.com> Date: 2015-11-16T12:00:33+01:00 core: dns cache - test for null pointers before debug checks after removing from list - next/prev are set to null after remove from list by commit 0fbcca38574139f1cd8ba7506ee5e204be5f2da7 (cherry picked from commit 70699ae8b9159c18bdd73c3092ccb19691edf0fd) --- Modified: dns_cache.c --- Diff: https://github.com/kamailio/kamailio/commit/d260080724b8f9ec0a3c55b3cee3ce3… Patch: https://github.com/kamailio/kamailio/commit/d260080724b8f9ec0a3c55b3cee3ce3… --- diff --git a/dns_cache.c b/dns_cache.c index cb2d5be..21b780e 100644 --- a/dns_cache.c +++ b/dns_cache.c @@ -459,15 +459,15 @@ int init_dns_cache_stats(int iproc_num) #define debug_lu_lst( txt, l) \ do{ \ - if (check_lu_lst((l))){ \ + if ((l) && check_lu_lst((l))){ \ dbg_lu_lst(txt " crt:", (l)); \ abort(); \ } \ - if (check_lu_lst((l)->next)){ \ + if (((l)->next) && check_lu_lst((l)->next)){ \ dbg_lu_lst(txt " next:", (l)); \ abort(); \ } \ - if (check_lu_lst((l)->prev)){ \ + if (((l)->prev) && check_lu_lst((l)->prev)){ \ dbg_lu_lst(txt " prev:", (l)); \ abort(); \ } \