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'lcfg' must be non NULL, remove test.

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389        else

	CID 1452695 (#1 of 1): Dereference before null check (REVERSE_INULL)
	check_after_deref: Null-checking lcfg suggests that it may
	be null, but it has already been dereferenced on all paths
	leading to the check.

390                if (lcfg != NULL)
391                        isc_logconfig_destroy(&lcfg);
This commit is contained in:
Mark Andrews
2020-02-05 16:45:59 +11:00
parent 714594d468
commit 7ba1af0280
1 changed files with 15 additions and 17 deletions
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32
lib/isc/log.c
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@@ -321,17 +321,15 @@ isc_logconfig_create(isc_log_t *lctx, isc_logconfig_t **lcfgp) {
lcfg = isc_mem_get(lctx->mctx, sizeof(*lcfg));
{
lcfg->lctx = lctx;
lcfg->channellists = NULL;
lcfg->channellist_count = 0;
lcfg->duplicate_interval = 0;
lcfg->highest_level = level;
lcfg->tag = NULL;
lcfg->dynamic = false;
ISC_LIST_INIT(lcfg->channels);
lcfg->magic = LCFG_MAGIC;
}
lcfg->lctx = lctx;
lcfg->channellists = NULL;
lcfg->channellist_count = 0;
lcfg->duplicate_interval = 0;
lcfg->highest_level = level;
lcfg->tag = NULL;
lcfg->dynamic = false;
ISC_LIST_INIT(lcfg->channels);
lcfg->magic = LCFG_MAGIC;
/*
* Create the default channels:
@@ -377,18 +375,18 @@ isc_logconfig_create(isc_log_t *lctx, isc_logconfig_t **lcfgp) {
ISC_LOG_PRINTTIME);
}
if (result == ISC_R_SUCCESS)
if (result == ISC_R_SUCCESS) {
result = isc_log_createchannel(lcfg, "null",
ISC_LOG_TONULL,
ISC_LOG_DYNAMIC,
NULL, 0);
}
if (result == ISC_R_SUCCESS)
if (result == ISC_R_SUCCESS) {
*lcfgp = lcfg;
else
if (lcfg != NULL)
isc_logconfig_destroy(&lcfg);
} else {
isc_logconfig_destroy(&lcfg);
}
return (result);
}