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Message-Id: <1302742940-22141-9-git-send-email-jeffrey.t.kirsher@intel.com> Date: Wed, 13 Apr 2011 18:02:04 -0700 From: Jeff Kirsher <jeffrey.t.kirsher@...el.com> To: davem@...emloft.net Cc: Flavio Leitner <fleitner@...hat.com>, netdev@...r.kernel.org, gospo@...hat.com, bphilips@...ell.com, Jeff Kirsher <jeffrey.t.kirsher@...el.com> Subject: [net-next-2.6 08/24] e1000e: fix stats locking in e1000_watchdog_task From: Flavio Leitner <fleitner@...hat.com> Just move the unlock down a bit because it unlocks too early leaving a chance for get_stats64() run in parallel while it is still accessing the stats. Signed-off-by: Flavio Leitner <fleitner@...hat.com> Acked-by: Bruce Allan <bruce.w.allan@...el.com> Tested-by: Aaron Brown <aaron.f.brown@...el.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com> --- drivers/net/e1000e/netdev.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c index 8812eb2..8a3145e 100644 --- a/drivers/net/e1000e/netdev.c +++ b/drivers/net/e1000e/netdev.c @@ -4339,7 +4339,6 @@ static void e1000_watchdog_task(struct work_struct *work) link_up: spin_lock(&adapter->stats64_lock); e1000e_update_stats(adapter); - spin_unlock(&adapter->stats64_lock); mac->tx_packet_delta = adapter->stats.tpt - adapter->tpt_old; adapter->tpt_old = adapter->stats.tpt; @@ -4350,6 +4349,7 @@ link_up: adapter->gorc_old = adapter->stats.gorc; adapter->gotc = adapter->stats.gotc - adapter->gotc_old; adapter->gotc_old = adapter->stats.gotc; + spin_unlock(&adapter->stats64_lock); e1000e_update_adaptive(&adapter->hw); -- 1.7.4.2 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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