linux-kernel - [PATCH] fs/adfs: bigdir: Fix an error code in adfs_fplus

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Message-Id: <1621419483-9339-1-git-send-email-yang.lee@linux.alibaba.com>
Date:   Wed, 19 May 2021 18:18:03 +0800
From:   Yang Li <yang.lee@...ux.alibaba.com>
To:     rmk+kernel@...linux.org.uk
Cc:     linux-kernel@...r.kernel.org, Yang Li <yang.lee@...ux.alibaba.com>
Subject: [PATCH] fs/adfs: bigdir: Fix an error code in adfs_fplus_read()

This code accidentally returns 0, but it should return the
-EIO error code to show a I/O error.

Clean up smatch warning:

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

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@...ux.alibaba.com>
---
 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 4a15924..4334279 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;
 	}
 
-- 
1.8.3.1