[PATCH AUTOSEL for 4.9 126/156] btrfs: tests: Fix a memory leak in error handling path in 'run_test()'

From: alexander . levin
Date: Thu Dec 07 2017 - 12:04:34 EST


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>
---
fs/btrfs/tests/free-space-tree-tests.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/btrfs/tests/free-space-tree-tests.c b/fs/btrfs/tests/free-space-tree-tests.c
index 6e144048a72e..a724d9a79bd2 100644
--- 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_func, int bitmaps, u32 sectorsize,
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);
--
2.11.0