From: Al Viro <viro@zeniv.linux.org.uk>
Date: Wed, 2 Oct 2024 03:28:49 +0000 (-0400)
Subject: ufs_rename(): fix bogus argument of folio_release_kmap()
X-Git-Tag: microblaze-v6.16~957^2
X-Git-Url: http://git.monstr.eu/?a=commitdiff_plain;h=0d0b8646a66de7f3bf345106f2034a2268799d67;p=linux-2.6-microblaze.git

ufs_rename(): fix bogus argument of folio_release_kmap()

new_dir does *NOT* point into dir_folio - it's an inode, not a pointer
to ufs directory entry.

Fixes: 516b97cf03dd6 "ufs: Convert directory handling to kmap_local"
Acked-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/fs/ufs/namei.c b/fs/ufs/namei.c
index 24bd12186647..c8390976ab6a 100644
--- a/fs/ufs/namei.c
+++ b/fs/ufs/namei.c
@@ -307,7 +307,7 @@ static int ufs_rename(struct mnt_idmap *idmap, struct inode *old_dir,
 		if (old_dir != new_dir)
 			ufs_set_link(old_inode, dir_de, dir_folio, new_dir, 0);
 		else
-			folio_release_kmap(dir_folio, new_dir);
+			folio_release_kmap(dir_folio, dir_de);
 		inode_dec_link_count(old_dir);
 	}
 	return 0;