From: Ben Hutchings <bhutchings@solarflare.com>
Date: Wed, 15 Apr 2009 02:47:46 +0000 (-0700)
Subject: sfc: Match calls to netif_napi_add() and netif_napi_del()
X-Git-Tag: v2.6.30-rc3~78^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=718cff1eec595ce6ab0635b8160a51ee37d9268d;p=pandora-kernel.git

sfc: Match calls to netif_napi_add() and netif_napi_del()

sfc could call netif_napi_add() multiple times for the same
napi_struct, corrupting the list of napi_structs for the associated
device and leading to a busy-loop on device removal.  Move the call to
netif_napi_add() and add a call to netif_napi_del() in the obvious
places.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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