netdev - [PATCH V3] net/netlink: make sure the headers line up actual value output

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Date:   Thu, 3 May 2018 23:09:23 -0400
From:   YU Bo <tsu.yubo@...il.com>
To:     davem@...emloft.net, xiyou.wangcong@...il.com, tsu.yubo@...il.com,
        yuzibode@....com
Cc:     netdev@...r.kernel.org
Subject: [PATCH V3] net/netlink: make sure the headers line up actual value
 output

Making sure the headers line up properly with the actual value output of the command
`cat /proc/net/netlink`

Before the patch:
<sk       Eth Pid    Groups   Rmem     Wmem     Dump     Locks     Drops     Inode
<ffff8cd2c2f7b000 0   909    00000550 0        0        0 2        0        18946

After the patch:
>sk               Eth Pid        Groups   Rmem     Wmem     Dump  Locks    Drops    Inode
>0000000033203952 0   897        00000113 0        0        0     2        0        14906

Signed-off-by: Bo YU <tsu.yubo@...il.com>
---
Changes in V3:
  - Drop external website for commit message
  - Modify the commit accroding to DavidM
Changes in V2:
  - Do not break the code line

 net/netlink/af_netlink.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 55342c4d5cec..2e2dd88fc79f 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -2606,13 +2606,13 @@ static int netlink_seq_show(struct seq_file *seq, void *v)
 {
 	if (v == SEQ_START_TOKEN) {
 		seq_puts(seq,
-			 "sk       Eth Pid    Groups   "
-			 "Rmem     Wmem     Dump     Locks     Drops     Inode\n");
+			 "sk               Eth Pid        Groups   "
+			 "Rmem     Wmem     Dump  Locks    Drops    Inode\n");
 	} else {
 		struct sock *s = v;
 		struct netlink_sock *nlk = nlk_sk(s);

-		seq_printf(seq, "%pK %-3d %-6u %08x %-8d %-8d %d %-8d %-8d %-8lu\n",
+		seq_printf(seq, "%pK %-3d %-10u %08x %-8d %-8d %-5d %-8d %-8d %-8lu\n",
 			   s,
 			   s->sk_protocol,
 			   nlk->portid,
--
2.11.0