linux-kernel - [PATCH] f2fs: fix to do sanity check on extent cache correctly

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Date:   Mon,  9 Jan 2023 11:49:20 +0800
From:   Chao Yu <chao@...nel.org>
To:     jaegeuk@...nel.org
Cc:     linux-f2fs-devel@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org, Chao Yu <chao@...nel.org>
Subject: [PATCH] f2fs: fix to do sanity check on extent cache correctly

In do_read_inode(), sanity_check_inode() should be called after
f2fs_init_read_extent_tree(), fix it.

Fixes: 72840cccc0a1 ("f2fs: allocate the extent_cache by default")
Signed-off-by: Chao Yu <chao@...nel.org>
---
 fs/f2fs/inode.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
index de5cd311ca79..574dee5d44e0 100644
--- a/fs/f2fs/inode.c
+++ b/fs/f2fs/inode.c
@@ -413,12 +413,6 @@ static int do_read_inode(struct inode *inode)
 		fi->i_inline_xattr_size = 0;
 	}
 
-	if (!sanity_check_inode(inode, node_page)) {
-		f2fs_put_page(node_page, 1);
-		f2fs_handle_error(sbi, ERROR_CORRUPTED_INODE);
-		return -EFSCORRUPTED;
-	}
-
 	/* check data exist */
 	if (f2fs_has_inline_data(inode) && !f2fs_exist_data(inode))
 		__recover_inline_status(inode, node_page);
@@ -482,6 +476,12 @@ static int do_read_inode(struct inode *inode)
 	f2fs_init_read_extent_tree(inode, node_page);
 	f2fs_init_age_extent_tree(inode);
 
+	if (!sanity_check_inode(inode, node_page)) {
+		f2fs_put_page(node_page, 1);
+		f2fs_handle_error(sbi, ERROR_CORRUPTED_INODE);
+		return -EFSCORRUPTED;
+	}
+
 	f2fs_put_page(node_page, 1);
 
 	stat_inc_inline_xattr(inode);
-- 
2.25.1