core: fixed condition for 0 ID or NULL NAME AVP

- avoid null in memcpy for AVP_NAME_STR

(cherry picked from commit ca1821837dfe7dd6630f628d968ed4d1178c7040)

diff --git a/src/core/usr_avp.c b/src/core/usr_avp.c
index 82183e3..e80e52d 100644 (file)
--- a/src/core/usr_avp.c
+++ b/src/core/usr_avp.c
@@ -148,7 +148,7 @@ avp_t *create_avp (avp_flags_t flags, avp_name_t name, avp_value_t val)
        struct str_str_data *ssd;
        int len;
 
-       if (name.s.s == 0 && name.s.len == 0) {
+       if (name.s.s == NULL || name.s.len == 0) {
                LM_ERR("0 ID or NULL NAME AVP!");
                goto error;
        }