Commit 0e4de584 authored by Chris Mason's avatar Chris Mason

Btrfs: Add check for null block group to find_search_start

Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent 7073c8e8
......@@ -204,6 +204,7 @@ static u64 find_search_start(struct btrfs_root *root,
wrapped:
cache = btrfs_lookup_block_group(root->fs_info, last);
if (!cache) {
no_cache:
if (!wrapped) {
wrapped = 1;
last = search_start;
......@@ -219,6 +220,8 @@ static u64 find_search_start(struct btrfs_root *root,
}
if (!full_scan)
cache = btrfs_find_block_group(root, cache, last, data, 0);
if (!cache)
goto no_cache;
*cache_ret = cache;
cache_miss = 0;
goto again;
......
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