From: stephen hemminger <shemminger@vyatta.com>
Date: Thu, 17 Nov 2011 14:37:35 +0000 (+0000)
Subject: sky2: fix hang in napi_disable
X-Git-Tag: v3.2-rc3~25^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=282edcece39e08d02c22492d593e4b9b94a65dff;p=pandora-kernel.git

sky2: fix hang in napi_disable

If IRQ was never initialized, then calling napi_disable() would hang.
Add more bookkeeping to track whether IRQ was ever initialized.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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