netdev - [PATCH net-next 5/7] qlcnic: protect qlicnic_attach_func with rtnl

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Message-Id: <1461007188-1603-6-git-send-email-hannes@stressinduktion.org>
Date:	Mon, 18 Apr 2016 21:19:46 +0200
From:	Hannes Frederic Sowa <hannes@...essinduktion.org>
To:	netdev@...r.kernel.org
Cc:	jesse@...nel.org, Dept-GELinuxNICDev@...gic.com
Subject: [PATCH net-next 5/7] qlcnic: protect qlicnic_attach_func with rtnl_lock

qlcnic_attach_func requires rtnl_lock to be held.

Cc: Dept-GELinuxNICDev@...gic.com
Signed-off-by: Hannes Frederic Sowa <hannes@...essinduktion.org>
---
 drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
index 1205f6f9c94173..1c29105b6c364f 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -3952,8 +3952,14 @@ static pci_ers_result_t qlcnic_82xx_io_error_detected(struct pci_dev *pdev,
 
 static pci_ers_result_t qlcnic_82xx_io_slot_reset(struct pci_dev *pdev)
 {
-	return qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
-				PCI_ERS_RESULT_RECOVERED;
+	pci_ers_result_t res;
+
+	rtnl_lock();
+	res = qlcnic_attach_func(pdev) ? PCI_ERS_RESULT_DISCONNECT :
+					 PCI_ERS_RESULT_RECOVERED;
+	rtnl_unlock();
+
+	return res;
 }
 
 static void qlcnic_82xx_io_resume(struct pci_dev *pdev)
-- 
2.5.5