From: Mitch Williams Date: Thu, 13 Feb 2014 11:48:48 +0000 (-0800) Subject: i40e: don't handle VF reset on unload X-Git-Tag: v5.15~18171^2~370^2~5 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=eb2d80bcf6b3c101ffe728554ebb702db096917a;p=platform%2Fkernel%2Flinux-starfive.git i40e: don't handle VF reset on unload Set the DOWN flag before attempting to disable VFs when unloading the driver. Also, don't attempt to reset the VFs when the driver is unloading, because the switch configuration will fail. This fixes a panic on unload when VFs are enabled. Change-ID: I25a6567e89c9687145f510ff4f630932412c5c5d Signed-off-by: Mitch Williams Signed-off-by: Jesse Brandeburg Tested-by: Sibai Li Signed-off-by: Aaron Brown Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 897452d..628e917 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -8181,16 +8181,16 @@ static void i40e_remove(struct pci_dev *pdev) i40e_ptp_stop(pf); - if (pf->flags & I40E_FLAG_SRIOV_ENABLED) { - i40e_free_vfs(pf); - pf->flags &= ~I40E_FLAG_SRIOV_ENABLED; - } - /* no more scheduling of any task */ set_bit(__I40E_DOWN, &pf->state); del_timer_sync(&pf->service_timer); cancel_work_sync(&pf->service_task); + if (pf->flags & I40E_FLAG_SRIOV_ENABLED) { + i40e_free_vfs(pf); + pf->flags &= ~I40E_FLAG_SRIOV_ENABLED; + } + i40e_fdir_teardown(pf); /* If there is a switch structure or any orphans, remove them. diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index 9074f63..7d133fa 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -1868,7 +1868,8 @@ int i40e_vc_process_vflr_event(struct i40e_pf *pf) /* clear the bit in GLGEN_VFLRSTAT */ wr32(hw, I40E_GLGEN_VFLRSTAT(reg_idx), (1 << bit_idx)); - i40e_reset_vf(vf, true); + if (!test_bit(__I40E_DOWN, &pf->state)) + i40e_reset_vf(vf, true); } }