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Fixed potential null pointer dereference in ngx_resolver_create().

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While here, improved error message.
This commit is contained in:
Ruslan Ermilov 2012-05-22 13:12:14 +00:00
parent d230df40b2
commit d2e005c39d
1 changed files with 6 additions and 1 deletions
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7
src/core/ngx_resolver.c
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@ -175,7 +175,12 @@ ngx_resolver_create(ngx_conf_t *cf, ngx_str_t *names, ngx_uint_t n)
u.port = 53; u.port = 53;
if (ngx_inet_resolve_host(cf->pool, &u) != NGX_OK) { if (ngx_inet_resolve_host(cf->pool, &u) != NGX_OK) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%V: %s", &u.host, u.err); if (u.err) {
ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
"%s in resolver \"%V\"",
u.err, &u.host);
}
return NULL; return NULL;
} }