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

bcr · Dec 10, 2019 · b22fbcd · b22fbcd
1 parent 024ba97
commit b22fbcd
Showing 1 changed file with 4 additions and 0 deletions.
diff --git 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;