From: Hannes Frederic Sowa Date: Mon, 18 Apr 2016 19:19:46 +0000 (+0200) Subject: qlcnic: protect qlicnic_attach_func with rtnl_lock X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=50d65d78897ff9785b7debbdca0030967cd5772d;p=linux-beck.git qlcnic: protect qlicnic_attach_func with rtnl_lock qlcnic_attach_func requires rtnl_lock to be held. Cc: Dept-GELinuxNICDev@qlogic.com Signed-off-by: Hannes Frederic Sowa Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c index 1205f6f9c941..1c29105b6c36 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)