From: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Date: Fri, 22 Mar 2013 06:28:42 +0000 (+0000)
Subject: ipv4: provide addr and netconf dump consistency info
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~65^2~351
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0465277f6b3fd0535428ae935644ac30ce903de0;p=pandora-kernel.git

ipv4: provide addr and netconf dump consistency info

This patch takes benefit of dev_addr_genid and dev_base_seq to check if a change
occurs during a netlink dump. If a change is detected, the flag NLM_F_DUMP_INTR
is set in the first message after the dump was interrupted.

Note that seq and prev_seq must be reset between each family in rtnl_dump_all()
because they are specific to each family.

Reported-by: Junwei Zhang <junwei.zhang@6wind.com>
Reported-by: Hongjun Li <hongjun.li@6wind.com>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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