Fix DivideByZero exception when filesystem is completely full.

2024-04-16 20:32:12 -07:00
parent 4dd30c1b8f
commit 749a45650f
2 changed files with 2 additions and 1 deletions
@@ -688,7 +688,7 @@ static int lfs_alloc(lfs_t *lfs, lfs_block_t *block) {
        if (lfs->lookahead.ckpoint <= 0) {
            LFS_ERROR("No more free space 0x%"PRIx32,
                    (lfs->lookahead.start + lfs->lookahead.next)
-                        % lfs->cfg->block_count);
+                        % lfs->block_count);
            return LFS_ERR_NOSPC;
        }

@@ -204,6 +204,7 @@ struct lfs_config {
    lfs_size_t block_size;

    // Number of erasable blocks on the device.
+    // If 0, will attempt to infer block_count from existing filesystem.
    lfs_size_t block_count;

    // Number of erase cycles before littlefs evicts metadata logs and moves