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@nfschina.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Signed-off-by: Petr Mladek <pmladek@suse.com>
Link: https://lore.kernel.org/r/20231023062359.130633-1-kunyu@nfschina.com

diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 96fc38cb2e8415f6d1572384833ea8a55b3b90b7..1c6ed598b480387c1b64c2accbdce3dffa1902e7 100644 (file)
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -1671,7 +1671,6 @@ 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;
 
@@ -4190,7 +4189,6 @@ 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;