netdev - icmp: account for ICMP out errors because of socket limit

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Date:	Mon, 12 May 2014 11:19:28 +0800
From:	zhuyj <zyjzyj2000@...il.com>
To:	eric.dumazet@...il.com, "David S. Miller" <davem@...emloft.net>
CC:	"Tao, Yue" <Yue.Tao@...driver.com>, zhuyj <zyjzyj2000@...il.com>,
	linux-kernel@...r.kernel.org, netdev <netdev@...r.kernel.org>
Subject: icmp: account for ICMP out errors because of socket limit

Hi, Eric && David

  ____           ______________
|    |         |              |
| PC |<------->| MIPS 32 core |
|____|         |______________|

When ping from a PC to a board (MIPS 32 core), because of socket limit,
ping echo will fail. But ICMP_MIB_OUTERRORS counter is not incremented.
In this case, "netstat -s" can not report these errors.

This patch will fix this problem. Now it is in the attachment. Please 
check it.

Best Regards!
Zhu Yanjun

View attachment "0001-icmp-account-for-ICMP-out-errors-because-of-socket-l.patch" of type "text/x-patch" (1026 bytes)