Fix int_array_concat() to bail out on realloc failure

The previous version could have ended up dereferencing a NULL pointer
if the reallocation call were to fail.

diff --git a/wpa_supplicant/scan.c b/wpa_supplicant/scan.c
index 770b28d228d85e97ce1cccc7b48e0e4879831d51..1428d328a4c0b202c03d0011772aa823583d9f8c 100644 (file)
--- a/wpa_supplicant/scan.c
+++ b/wpa_supplicant/scan.c
@@ -132,6 +132,7 @@ static void int_array_concat(int **res, const int *a)
        if (n == NULL) {
                os_free(*res);
                *res = NULL;
+               return;
        }
        for (i = 0; i <= alen; i++)
                n[reslen + i] = a[i];