From: Byoungyoung Lee <lifeasageek@xxxxxxxxx>
When filp->private_data is NULL, put_nfs_open_dir_context()
deferences its pointer (fi->list, fi->cred), similar to what
other file systems handle '.release' api (9p, cifs, btrfs,
ext4, ocfs2).
Signed-off-by: Byoungyoung Lee <lifeasageek@xxxxxxxxx>
Signed-off-by: Taesoo Kim <tsgatesv@xxxxxxxxx>
---
fs/nfs/dir.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index c19e16f..434ecf1 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -133,7 +133,8 @@ out:
static int
nfs_closedir(struct inode *inode, struct file *filp)
{
- put_nfs_open_dir_context(file_inode(filp), filp->private_data);
+ if (filp->private_data)
+ put_nfs_open_dir_context(file_inode(filp), filp->private_data);
return 0;
}
--
1.9.1
--
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