linux-kernel - [PATCH] net/ipv6: warning: %u in format string (no. 2) requires 'unsigned int' but the argument type is 'signed int'.

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Date:   Thu,  7 Jan 2021 10:47:34 +0800
From:   Jiapeng Zhong <abaci-bugfix@...ux.alibaba.com>
To:     davem@...emloft.net
Cc:     kuznet@....inr.ac.ru, yoshfuji@...ux-ipv6.org, kuba@...nel.org,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jiapeng Zhong <abaci-bugfix@...ux.alibaba.com>
Subject: [PATCH] net/ipv6: warning: %u in format string (no. 2) requires 'unsigned int' but the argument type is 'signed int'.

The print format of this parameter does not match, because it is defined
as int type, so modify the matching format of this parameter to %d format.

Signed-off-by: Jiapeng Zhong <abaci-bugfix@...ux.alibaba.com>
Reported-by: Abaci <abaci@...ux.alibaba.com>
---
 net/ipv6/proc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/ipv6/proc.c b/net/ipv6/proc.c
index d6306aa..26c702b 100644
--- a/net/ipv6/proc.c
+++ b/net/ipv6/proc.c
@@ -169,7 +169,7 @@ static void snmp6_seq_show_icmpv6msg(struct seq_file *seq, atomic_long_t *smib)
 		val = atomic_long_read(smib + i);
 		if (!val)
 			continue;
-		snprintf(name, sizeof(name), "Icmp6%sType%u",
+		snprintf(name, sizeof(name), "Icmp6%sType%d",
 			i & 0x100 ?  "Out" : "In", i & 0xff);
 		seq_printf(seq, "%-32s\t%lu\n", name, val);
 	}
-- 
1.8.3.1