4.9-stable review patch. If anyone has any objections, please let me know. ------------------ From: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> [ Upstream commit 9ca2e97fa3c3216200afe35a3b111ec51cc796d2 ] If 'btrfs_alloc_path()' fails, we must free the resources already allocated, as done in the other error handling paths in this function. Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> Reviewed-by: Qu Wenruo <quwenruo.btrfs@xxxxxxx> Signed-off-by: David Sterba <dsterba@xxxxxxxx> Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- fs/btrfs/tests/free-space-tree-tests.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/fs/btrfs/tests/free-space-tree-tests.c +++ b/fs/btrfs/tests/free-space-tree-tests.c @@ -501,7 +501,8 @@ static int run_test(test_func_t test_fun path = btrfs_alloc_path(); if (!path) { test_msg("Couldn't allocate path\n"); - return -ENOMEM; + ret = -ENOMEM; + goto out; } ret = add_block_group_free_space(&trans, root->fs_info, cache);