linux-kernel - [RFC PATCH 5/6] ipv6: Remove useless parameter in __snmp6_fill

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Message-Id: <1472486640-1111-6-git-send-email-hejianet@gmail.com>
Date:   Tue, 30 Aug 2016 00:03:59 +0800
From:   Jia He <hejianet@...il.com>
To:     netdev@...r.kernel.org
Cc:     linux-sctp@...r.kernel.org, linux-kernel@...r.kernel.org,
        davem@...emloft.net, Alexey Kuznetsov <kuznet@....inr.ac.ru>,
        James Morris <jmorris@...ei.org>,
        Hideaki YOSHIFUJI <yoshfuji@...ux-ipv6.org>,
        Patrick McHardy <kaber@...sh.net>,
        Vlad Yasevich <vyasevich@...il.com>,
        Neil Horman <nhorman@...driver.com>,
        Steffen Klassert <steffen.klassert@...unet.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        Jia He <hejianet@...il.com>
Subject: [RFC PATCH 5/6] ipv6: Remove useless parameter in __snmp6_fill_statsdev

The parameter items(always ICMP6_MIB_MAX) is useless for __snmp6_fill_statsdev.

Signed-off-by: Jia He <hejianet@...il.com>
---
 net/ipv6/addrconf.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index df8425f..0fa5aa1 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -4944,18 +4944,18 @@ static inline size_t inet6_if_nlmsg_size(void)
 }
 
 static inline void __snmp6_fill_statsdev(u64 *stats, atomic_long_t *mib,
-				      int items, int bytes)
+					int bytes)
 {
 	int i;
-	int pad = bytes - sizeof(u64) * items;
+	int pad = bytes - sizeof(u64) * ICMP6_MIB_MAX;
 	BUG_ON(pad < 0);
 
 	/* Use put_unaligned() because stats may not be aligned for u64. */
-	put_unaligned(items, &stats[0]);
-	for (i = 1; i < items; i++)
+	put_unaligned(ICMP6_MIB_MAX, &stats[0]);
+	for (i = 1; i < ICMP6_MIB_MAX; i++)
 		put_unaligned(atomic_long_read(&mib[i]), &stats[i]);
 
-	memset(&stats[items], 0, pad);
+	memset(&stats[ICMP6_MIB_MAX], 0, pad);
 }
 
 static inline void __snmp6_fill_stats64(u64 *stats, void __percpu *mib,
@@ -4988,7 +4988,7 @@ static void snmp6_fill_stats(u64 *stats, struct inet6_dev *idev, int attrtype,
 				     offsetof(struct ipstats_mib, syncp));
 		break;
 	case IFLA_INET6_ICMP6STATS:
-		__snmp6_fill_statsdev(stats, idev->stats.icmpv6dev->mibs, ICMP6_MIB_MAX, bytes);
+		__snmp6_fill_statsdev(stats, idev->stats.icmpv6dev->mibs, bytes);
 		break;
 	}
 }
-- 
1.8.3.1