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Commit 1eae31e9 authored by Chris Mason's avatar Chris Mason
Browse files

Btrfs: make sure btrfs_remove_free_space doesn't leak EAGAIN 



btrfs_remove_free_space needs to make sure to set ret back to a
valid return value after setting it to EAGAIN, otherwise we return
it to the callers.

Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent cd354ad6

fs/btrfs/free-space-cache.c

+3 −1
Original line number Diff line number Diff line
@@ -1868,6 +1868,7 @@ int btrfs_remove_free_space(struct btrfs_block_group_cache *block_group, 
			ctl->total_bitmaps--;

		}

		kmem_cache_free(btrfs_free_space_cachep, info);

		ret = 0;

		goto out_lock;

	}
@@ -1875,7 +1876,8 @@ int btrfs_remove_free_space(struct btrfs_block_group_cache *block_group, 
		unlink_free_space(ctl, info);

		info->offset += bytes;

		info->bytes -= bytes;

		link_free_space(ctl, info);

		ret = link_free_space(ctl, info);

		WARN_ON(ret);

		goto out_lock;

	}