From aaa53c4aba14f14de06419a20e552fe2d8823a33 Mon Sep 17 00:00:00 2001
From: Benjamin Thery <benjamin.thery@bull.net>
Date: Fri, 24 Aug 2007 23:12:08 -0700
Subject: [PATCH] [NET]: Fix crash in dev_mc_sync()/dev_mc_unsync()

This patch fixes a crash that may occur when the routine dev_mc_sync()
deletes an address from the list it is currently going through. It
saves the pointer to the next element before deleting the current one.
The problem may also exist in dev_mc_unsync().

Signed-off-by: Benjamin Thery <benjamin.thery@bull.net>
Acked-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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