hostapd: use strdup on string passed to hostapd_add_iface

The data is modified within hostapd_add_iface

Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/package/network/services/hostapd/src/src/ap/ucode.c b/package/network/services/hostapd/src/src/ap/ucode.c
index d3441902086ebcaeb196c0096a54db981221f4a0..68fb450884e2f396adbe5398224ca62d876ad68b 100644 (file)
--- a/package/network/services/hostapd/src/src/ap/ucode.c
+++ b/package/network/services/hostapd/src/src/ap/ucode.c
@@ -86,12 +86,16 @@ static uc_value_t *
 uc_hostapd_add_iface(uc_vm_t *vm, size_t nargs)
 {
        uc_value_t *iface = uc_fn_arg(0);
+       char *data;
        int ret;
 
        if (ucv_type(iface) != UC_STRING)
                return ucv_int64_new(-1);
 
-       ret = hostapd_add_iface(interfaces, ucv_string_get(iface));
+       data = strdup(ucv_string_get(iface));
+       ret = hostapd_add_iface(interfaces, data);
+       free(data);
+
        hostapd_ucode_update_interfaces();
 
        return ucv_int64_new(ret);