diff options
| author | eliel <eliel@f38db490-d61c-443f-a65b-d21fe96a405b> | 2009-05-31 01:22:15 +0000 |
|---|---|---|
| committer | eliel <eliel@f38db490-d61c-443f-a65b-d21fe96a405b> | 2009-05-31 01:22:15 +0000 |
| commit | 6c205ae87ec07db93b8ea155d77cc2929492af01 (patch) | |
| tree | e0a8f123450e50c410fd0e4a730c9da2c1568d4d /res/res_timing_dahdi.c | |
| parent | 980e2bbd537e88a9e5fc9b86da299de3acfefc8f (diff) | |
Avoid a crash when res_timing_dahdi is unloaded but wasn't properly loaded.
if dahdi_test_timer() fails, timing_funcs_handle remains NULL causing a crash
when calling ast_unregister_timing_interface() with a NULL pointer.
(closes issue #15234)
Reported by: eliel
Patches:
timing_dahdi1.diff uploaded by eliel (license 64)
git-svn-id: http://svn.digium.com/svn/asterisk/trunk@198437 f38db490-d61c-443f-a65b-d21fe96a405b
Diffstat (limited to 'res/res_timing_dahdi.c')
| -rw-r--r-- | res/res_timing_dahdi.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/res/res_timing_dahdi.c b/res/res_timing_dahdi.c index bc65bbdcf..ae95cf9cd 100644 --- a/res/res_timing_dahdi.c +++ b/res/res_timing_dahdi.c @@ -192,7 +192,11 @@ static int load_module(void) static int unload_module(void) { - return ast_unregister_timing_interface(timing_funcs_handle); + if (timing_funcs_handle) { + return ast_unregister_timing_interface(timing_funcs_handle); + } + + return 0; } AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "DAHDI Timing Interface"); |