From: "Dmitry Kravkov" <dmitry@broadcom.com>
To: davem@davemloft.net, netdev@vger.kernel.org
Cc: eilong@broadcom.com, "Yuval Mintz" <yuvalmin@broadcom.com>,
"Dmitry Kravkov" <dmitry@broadcom.com>,
"Ariel Elior" <ariele@broadcom.com>
Subject: [PATCH net v4 6/6] bnx2x: prevent crash in shutdown flow with CNIC
Date: Tue, 6 Aug 2013 00:35:44 +0300 [thread overview]
Message-ID: <1375738544-8695-7-git-send-email-dmitry@broadcom.com> (raw)
In-Reply-To: <1375738544-8695-1-git-send-email-dmitry@broadcom.com>
From: Yuval Mintz <yuvalmin@broadcom.com>
There might be a crash as during shutdown flow CNIC might try
to access resources already freed by bnx2x.
Change bnx2x_close() into dev_close() in __bnx2x_remove (shutdown flow)
to guarantee CNIC is notified of the device's change of status.
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
---
drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index 5c22081..abafb30 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -12837,8 +12837,7 @@ static void __bnx2x_remove(struct pci_dev *pdev,
unregister_netdev(dev);
} else {
rtnl_lock();
- if (netif_running(dev))
- bnx2x_close(dev);
+ dev_close(dev);
rtnl_unlock();
}
--
1.8.1.4
prev parent reply other threads:[~2013-08-05 21:36 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-05 21:35 [PATCH net v4 0/6] bnx2x: fixes Dmitry Kravkov
2013-08-05 21:35 ` [PATCH net v4 1/6] bnx2x: properly initialize statistic counters Dmitry Kravkov
2013-08-12 20:08 ` Benjamin Poirier
2013-08-12 22:48 ` Dmitry Kravkov
2013-08-05 21:35 ` [PATCH net v4 2/6] bnx2x: protect different statistics flows Dmitry Kravkov
2013-08-05 23:26 ` David Miller
2013-08-05 21:35 ` [PATCH net v4 3/6] bnx2x: update fairness parameters following DCB negotiation Dmitry Kravkov
2013-08-05 21:35 ` [PATCH net v4 4/6] bnx2x: fix memory leak in VF Dmitry Kravkov
2013-08-05 21:35 ` [PATCH net v4 5/6] bnx2x: fix PTE write access error Dmitry Kravkov
2013-08-05 21:35 ` Dmitry Kravkov [this message]
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