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* [PATCH] btrfs: tests: Fix a memory leak in error handling path in 'run_test()'
@ 2017-09-10 11:19 Christophe JAILLET
  2017-09-10 11:56 ` Qu Wenruo
  0 siblings, 1 reply; 2+ messages in thread
From: Christophe JAILLET @ 2017-09-10 11:19 UTC (permalink / raw)
  To: clm, jbacik, dsterba, nborisov, jeffm, osandov
  Cc: linux-btrfs, linux-kernel, kernel-janitors, Christophe JAILLET

If 'btrfs_alloc_path()' fails, we must free the resourses already
allocated, as done in the other error handling paths in this function.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
---
 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 1458bb0ea124..8444a018cca2 100644
--- a/fs/btrfs/tests/free-space-tree-tests.c
+++ b/fs/btrfs/tests/free-space-tree-tests.c
@@ -500,7 +500,8 @@ 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

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] btrfs: tests: Fix a memory leak in error handling path in 'run_test()'
  2017-09-10 11:19 [PATCH] btrfs: tests: Fix a memory leak in error handling path in 'run_test()' Christophe JAILLET
@ 2017-09-10 11:56 ` Qu Wenruo
  0 siblings, 0 replies; 2+ messages in thread
From: Qu Wenruo @ 2017-09-10 11:56 UTC (permalink / raw)
  To: Christophe JAILLET, clm, jbacik, dsterba, nborisov, jeffm, osandov
  Cc: linux-btrfs, linux-kernel, kernel-janitors



On 2017年09月10日 19:19, Christophe JAILLET wrote:
> If 'btrfs_alloc_path()' fails, we must free the resourses already
> allocated, as done in the other error handling paths in this function.
> 
> Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>

Reviewed-by: Qu Wenruo <quwenruo.btrfs@gmx.com>

BTW, I also checked all btrfs_alloc_path() in self tests, not such leak 
remaining.

Thanks,
Qu
> ---
>   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 1458bb0ea124..8444a018cca2 100644
> --- a/fs/btrfs/tests/free-space-tree-tests.c
> +++ b/fs/btrfs/tests/free-space-tree-tests.c
> @@ -500,7 +500,8 @@ 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);
> 

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2017-09-10 11:19 [PATCH] btrfs: tests: Fix a memory leak in error handling path in 'run_test()' Christophe JAILLET
2017-09-10 11:56 ` Qu Wenruo

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