[PATCH v1 5/7] binderfs: kill_litter_super() before cleanup

Christian Brauner christian at brauner.io
Mon Jan 21 10:48:06 UTC 2019


Al pointed out that first calling kill_litter_super() before cleaning up
info is more correct since destroying info doesn't depend on the state of
the dentries and inodes. That the opposite remains true is not guaranteed.

Suggested-by: Al Viro <viro at zeniv.linux.org.uk>
Signed-off-by: Christian Brauner <christian at brauner.io>
---
/* Changelog */

v1:
- patch unchanged
---
 drivers/android/binderfs.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/android/binderfs.c b/drivers/android/binderfs.c
index 1e077498a507..ba88be172aee 100644
--- a/drivers/android/binderfs.c
+++ b/drivers/android/binderfs.c
@@ -531,11 +531,12 @@ static void binderfs_kill_super(struct super_block *sb)
 {
 	struct binderfs_info *info = sb->s_fs_info;
 
+	kill_litter_super(sb);
+
 	if (info && info->ipc_ns)
 		put_ipc_ns(info->ipc_ns);
 
 	kfree(info);
-	kill_litter_super(sb);
 }
 
 static struct file_system_type binder_fs_type = {
-- 
2.19.1



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