linux-kernel - [PATCH v2] ubifs: Remove unreachable code in dbg_check_ltab

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Message-Id: <20240111063656.68810-1-chentao@kylinos.cn>
Date: Thu, 11 Jan 2024 14:36:56 +0800
From: Kunwu Chan <chentao@...inos.cn>
To: richard@....at,
	Artem.Bityutskiy@...ia.com
Cc: linux-mtd@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Kunwu Chan <chentao@...inos.cn>,
	Kunwu Chan <kunwu.chan@...mail.com>,
	Richard Weinberger <richard.weinberger@...il.com>
Subject: [PATCH v2] ubifs: Remove unreachable code in dbg_check_ltab_lnum

Because there is no break statement in the dead loop above,it is
impossible to execute the 'err=0' statement.Delete the code that
will never execute.

Fixes: 6fb324a4b0c3 ("UBIFS: allocate ltab checking buffer on demand")
Signed-off-by: Kunwu Chan <chentao@...inos.cn>
Cc: Kunwu Chan <kunwu.chan@...mail.com>
Suggested-by: Richard Weinberger <richard.weinberger@...il.com>

---
v2: Remove the initialization of err
---
 fs/ubifs/lpt_commit.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/fs/ubifs/lpt_commit.c b/fs/ubifs/lpt_commit.c
index c4d079328b92..07351fdce722 100644
--- a/fs/ubifs/lpt_commit.c
+++ b/fs/ubifs/lpt_commit.c
@@ -1646,7 +1646,6 @@ static int dbg_check_ltab_lnum(struct ubifs_info *c, int lnum)
 		len -= node_len;
 	}
 
-	err = 0;
 out:
 	vfree(buf);
 	return err;
-- 
2.39.2