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Subject[PATCH 5/6] nilfs2: fix memory leak in nilfs_sysfs_create_snapshot_group
Date
If kobject_init_and_add returns with error, kobject_put() is needed
here to avoid memory leak, because kobject_init_and_add may return
error without freeing the memory associated with the kobject it allocated.

Signed-off-by: Nanyong Sun <sunnanyong@huawei.com>
---
fs/nilfs2/sysfs.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/nilfs2/sysfs.c b/fs/nilfs2/sysfs.c
index d989e6500bd7..5ba87573ad3b 100644
--- a/fs/nilfs2/sysfs.c
+++ b/fs/nilfs2/sysfs.c
@@ -195,9 +195,9 @@ int nilfs_sysfs_create_snapshot_group(struct nilfs_root *root)
}

if (err)
- return err;
+ kobject_put(&root->snapshot_kobj);

- return 0;
+ return err;
}

void nilfs_sysfs_delete_snapshot_group(struct nilfs_root *root)
--
2.18.0.huawei.25
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