linux-kernel - [PATCH] printk: printk: Remove unnecessary statements＇len = 0;＇

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Date:   Mon, 23 Oct 2023 14:23:59 +0800
From:   Li kunyu <kunyu@...china.com>
To:     pmladek@...e.com, rostedt@...dmis.org, john.ogness@...utronix.de,
        senozhatsky@...omium.org
Cc:     linux-kernel@...r.kernel.org, Li kunyu <kunyu@...china.com>
Subject: [PATCH] printk: printk: Remove unnecessary statements＇len = 0;＇

In the following two functions, len has already been assigned a value of
0 when defining the variable, so remove 'len=0;'.

Signed-off-by: Li kunyu <kunyu@...china.com>
---
 kernel/printk/printk.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 7e0b4dd02398d..38031fd87f34b 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -1669,7 +1669,6 @@ static int syslog_print_all(char __user *buf, int size, bool clear)
 
 	prb_rec_init_rd(&r, &info, text, PRINTK_MESSAGE_MAX);
 
-	len = 0;
 	prb_for_each_record(seq, prb, seq, &r) {
 		int textlen;
 
@@ -4188,7 +4187,6 @@ bool kmsg_dump_get_buffer(struct kmsg_dump_iter *iter, bool syslog,
 
 	prb_rec_init_rd(&r, &info, buf, size);
 
-	len = 0;
 	prb_for_each_record(seq, prb, seq, &r) {
 		if (r.info->seq >= iter->next_seq)
 			break;
-- 
2.18.2