linux-kernel - [PATCH] fs/adfs: bigdir: Restore EIO errno return when checkbyte mismatch

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Message-Id: <20250801093806.1223287-1-zhen.ni@easystack.cn>
Date: Fri,  1 Aug 2025 17:38:06 +0800
From: Zhen Ni <zhen.ni@...ystack.cn>
To: rmk+kernel@...linux.org.uk
Cc: linux-kernel@...r.kernel.org,
	Zhen Ni <zhen.ni@...ystack.cn>
Subject: [PATCH] fs/adfs: bigdir: Restore EIO errno return when checkbyte mismatch

Fix smatch warn:
fs/adfs/dir_fplus.c:146 adfs_fplus_read() warn: missing error code 'ret'

Signed-off-by: Zhen Ni <zhen.ni@...ystack.cn>
---
 fs/adfs/dir_fplus.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/adfs/dir_fplus.c b/fs/adfs/dir_fplus.c
index 4a15924014da..4334279409b2 100644
--- a/fs/adfs/dir_fplus.c
+++ b/fs/adfs/dir_fplus.c
@@ -143,6 +143,7 @@ static int adfs_fplus_read(struct super_block *sb, u32 indaddr,
 
 	if (adfs_fplus_checkbyte(dir) != t->bigdircheckbyte) {
 		adfs_error(sb, "dir %06x checkbyte mismatch\n", indaddr);
+		ret = -EIO;
 		goto out;
 	}
 
-- 
2.20.1