ovl: fix comment typos

Fix two typos.

Reported-by: k2ci <kernel-bot@kylinos.cn>
Signed-off-by: Jiangshan Yi <yijiangshan@kylinos.cn>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/overlayfs/export.c b/fs/overlayfs/export.c
index ac9c3ad04016..be866a3a92aa 100644
--- a/fs/overlayfs/export.c
+++ b/fs/overlayfs/export.c
@@ -339,7 +339,7 @@ out_iput:
 	return dentry;
 }
 
-/* Get the upper or lower dentry in stach whose on layer @idx */
+/* Get the upper or lower dentry in stack whose on layer @idx */
 static struct dentry *ovl_dentry_real_at(struct dentry *dentry, int idx)
 {
 	struct ovl_entry *oe = dentry->d_fsdata;