Re: [PATCH] btrfs: fix a resource leak in btrfs_init_sysfs()

From: Qu Wenruo
Date: Sat Nov 19 2022 - 01:53:44 EST




On 2022/11/19 14:43, Zhen Lei wrote:
When btrfs_debug_feature_attr_group fails to be created,
btrfs_feature_attr_group is not removed.

Signed-off-by: Zhen Lei <thunder.leizhen@xxxxxxxxxx>

Reviewed-by: Qu Wenruo <wqu@xxxxxxxx>

Thanks,
Qu
---
fs/btrfs/sysfs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c
index 699b54b3acaae0b..947125f2ceaaf96 100644
--- a/fs/btrfs/sysfs.c
+++ b/fs/btrfs/sysfs.c
@@ -2322,7 +2322,7 @@ int __init btrfs_init_sysfs(void)
#ifdef CONFIG_BTRFS_DEBUG
ret = sysfs_create_group(&btrfs_kset->kobj, &btrfs_debug_feature_attr_group);
if (ret)
- goto out2;
+ goto out_remove_group;
#endif
return 0;