hostapd: fix a crash corner case

On some setup failures, iface->bss can be NULL

Signed-off-by: Felix Fietkau <nbd@nbd.name>
(cherry picked from commit 1ee5b7e506f937e16737472eed02bc5409716304)
Link: https://github.com/openwrt/openwrt/pull/15898
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

diff --git a/package/network/services/hostapd/src/src/ap/ucode.c b/package/network/services/hostapd/src/src/ap/ucode.c
index 80c01b4b9be78e4dfa5366a5e769915f13e29a93..f961b6a09797a99c2670d8ba3cb3d3b7288755c1 100644 (file)
--- a/package/network/services/hostapd/src/src/ap/ucode.c
+++ b/package/network/services/hostapd/src/src/ap/ucode.c
@@ -51,7 +51,7 @@ hostapd_ucode_update_bss_list(struct hostapd_iface *iface, uc_value_t *if_bss, u
        int i;
 
        list = ucv_array_new(vm);
-       for (i = 0; i < iface->num_bss; i++) {
+       for (i = 0; iface->bss && i < iface->num_bss; i++) {
                struct hostapd_data *hapd = iface->bss[i];
                uc_value_t *val = hostapd_ucode_bss_get_uval(hapd);