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btrfs: fix a leaked chunk map issue in read_one_chunk()

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Add btrfs_free_chunk_map() to free the memory allocated
by btrfs_alloc_chunk_map() if btrfs_add_chunk_map() fails.

Fixes: 7dc66abb5a ("btrfs: use a dedicated data structure for chunk maps")
CC: stable@vger.kernel.org
Reviewed-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Haoxiang Li <haoxiang_li2024@163.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Haoxiang Li
2025-03-03 10:42:33 +08:00
committed by David Sterba
parent 2df2c6ed89
commit 35d99c68af
1 changed files with 1 additions and 0 deletions
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1
fs/btrfs/volumes.c
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@@ -7151,6 +7151,7 @@ static int read_one_chunk(struct btrfs_key *key, struct extent_buffer *leaf,
btrfs_err(fs_info,
"failed to add chunk map, start=%llu len=%llu: %d",
map->start, map->chunk_len, ret);
btrfs_free_chunk_map(map);
}
return ret;