supervisor: external_flash: don't call m_malloc_maybe when it's bad

2019-12-10 15:11:10 -06:00 · 2019-12-10 15:11:10 -06:00 · b22fbcd77d
parent 024ba978ec
commit b22fbcd77d
1 changed files with 4 additions and 0 deletions
--- a/supervisor/shared/external_flash/external_flash.c
+++ b/supervisor/shared/external_flash/external_flash.c
@ -324,6 +324,10 @@ static bool allocate_ram_cache(void) {
        return true;
    }

+    if (MP_STATE_MEM(gc_pool_start) == 0) {
+        return false;
+    }
+
    MP_STATE_VM(flash_ram_cache) = m_malloc_maybe(blocks_per_sector * pages_per_block * sizeof(uint32_t), false);
    if (MP_STATE_VM(flash_ram_cache) == NULL) {
        return false;