minixfs: Fix minixfs_rename with HIGHMEM

minixfs now uses kmap_local_page(), so we can't call kunmap() to
undo it.  This one call was missed as part of the commit this fixes.

Fixes: 6628f69 (minixfs: Use dir_put_page() in minix_unlink() and minix_rename())
Signed-off-by: Matthew Wilcox (Oracle) <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Christian Brauner <[email protected]>

Author: Matthew Wilcox (Oracle)

fs/minix/namei.c

@@ -213,8 +213,7 @@ static int minix_rename(struct mnt_idmap *idmap,
 		if (!new_de)
 			goto out_dir;
 		err = minix_set_link(new_de, new_page, old_inode);
-		kunmap(new_page);
-		put_page(new_page);
+		unmap_and_put_page(new_page, new_de);
 		if (err)
 			goto out_dir;
 		inode_set_ctime_current(new_inode);