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BUILD: acme: fix false positive null pointer dereference

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src/acme.c: In function ‘cfg_parse_acme_vars_provider’:
src/acme.c:471:9: error: potential null pointer dereference [-Werror=null-dereference]
  471 |         free(*dst);
      |         ^~~~~~~~~~

gcc13 on ubuntu 24.04 detects a false positive when building
3e72a9f ("MINOR: acme: provider-name for dpapi sink").
Indeed dst can't be NULL. Clarify the code so gcc don't complain
anymore.
This commit is contained in:
William Lallemand 2025-09-26 10:34:35 +02:00
parent 3e72a9f618
commit b3b910cc3f
1 changed files with 6 additions and 1 deletions
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7
src/acme.c
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@ -466,9 +466,14 @@ static int cfg_parse_acme_vars_provider(char **args, int section_type, struct pr
dst = &cur_acme->vars;
} else if (strcmp(args[0], "provider-name") == 0) {
dst = &cur_acme->provider;
} else {
err_code |= ERR_ALERT | ERR_FATAL;
ha_alert("parsing [%s:%d]: unsupported keyword '%s'.\n", file, linenum, args[0]);
goto out;
}
free(*dst);
if (dst)
free(*dst);
if (!*args[1]) {
ha_alert("parsing [%s:%d]: keyword '%s' in '%s' section requires an argument\n", file, linenum, args[0], cursection);