linux-kernel - [PATCH v2 1/3] f2fs: fix to release node block count in error path of f2fs_new_node

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Message-Id: <20240507033100.1044884-1-chao@kernel.org>
Date: Tue,  7 May 2024 11:31:00 +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 v2 1/3] f2fs: fix to release node block count in error path of f2fs_new_node_page()

It missed to call dec_valid_node_count() to release node block count
in error path, fix it.

Fixes: 141170b759e0 ("f2fs: fix to avoid use f2fs_bug_on() in f2fs_new_node_page()")
Signed-off-by: Chao Yu <chao@...nel.org>
---
v2:
- avoid comppile warning if CONFIG_F2FS_CHECK_FS is off.
 fs/f2fs/node.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/f2fs/node.c b/fs/f2fs/node.c
index b3de6d6cdb02..7df5ad84cb5e 100644
--- a/fs/f2fs/node.c
+++ b/fs/f2fs/node.c
@@ -1319,6 +1319,7 @@ struct page *f2fs_new_node_page(struct dnode_of_data *dn, unsigned int ofs)
 	}
 	if (unlikely(new_ni.blk_addr != NULL_ADDR)) {
 		err = -EFSCORRUPTED;
+		dec_valid_node_count(sbi, dn->inode, !ofs);
 		set_sbi_flag(sbi, SBI_NEED_FSCK);
 		f2fs_handle_error(sbi, ERROR_INVALID_BLKADDR);
 		goto fail;
@@ -1345,7 +1346,6 @@ struct page *f2fs_new_node_page(struct dnode_of_data *dn, unsigned int ofs)
 	if (ofs == 0)
 		inc_valid_inode_count(sbi);
 	return page;
-
 fail:
 	clear_node_page_dirty(page);
 	f2fs_put_page(page, 1);
-- 
2.40.1