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Message-Id: <20250326144848.3219740-1-sj1557.seo@samsung.com>
Date: Wed, 26 Mar 2025 23:48:48 +0900
From: Sungjong Seo <sj1557.seo@...sung.com>
To: linkinjeon@...nel.org, yuezhang.mo@...y.com
Cc: sjdev.seo@...il.com, linux-fsdevel@...r.kernel.org,
linux-kernel@...r.kernel.org, cpgs@...sung.com, Sungjong Seo
<sj1557.seo@...sung.com>, stable@...r.kernel.org
Subject: [PATCH] exfat: fix potential wrong error return from get_block
If there is no error, get_block() should return 0. However, when bh_read()
returns 1, get_block() also returns 1 in the same manner.
Let's set err to 0, if there is no error from bh_read()
Fixes: 11a347fb6cef ("exfat: change to get file size from DataLength")
Cc: stable@...r.kernel.org
Signed-off-by: Sungjong Seo <sj1557.seo@...sung.com>
---
fs/exfat/inode.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/exfat/inode.c b/fs/exfat/inode.c
index f3fdba9f4d21..a23677de4544 100644
--- a/fs/exfat/inode.c
+++ b/fs/exfat/inode.c
@@ -391,6 +391,8 @@ static int exfat_get_block(struct inode *inode, sector_t iblock,
/* Zero unwritten part of a block */
memset(bh_result->b_data + size, 0,
bh_result->b_size - size);
+
+ err = 0;
} else {
/*
* The range has not been written, clear the mapped flag
--
2.25.1
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