From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Kirsher Subject: [net-next 12/15] i40evf: fix compiler warning of unused variable Date: Mon, 23 Nov 2015 11:36:13 -0800 Message-ID: <1448307376-20063-13-git-send-email-jeffrey.t.kirsher@intel.com> References: <1448307376-20063-1-git-send-email-jeffrey.t.kirsher@intel.com> Cc: Jesse Brandeburg , netdev@vger.kernel.org, nhorman@redhat.com, sassmann@redhat.com, jogreene@redhat.com, Jeff Kirsher To: davem@davemloft.net Return-path: Received: from mga03.intel.com ([134.134.136.65]:41412 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754851AbbKWTgZ (ORCPT ); Mon, 23 Nov 2015 14:36:25 -0500 In-Reply-To: <1448307376-20063-1-git-send-email-jeffrey.t.kirsher@intel.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Jesse Brandeburg Compiler complained of an unused variable, which the driver was just using to store the result of a rd32 which is used to clear a register unconditionally. Just drop the unused variable and re-use one. Signed-off-by: Jesse Brandeburg Tested-by: Andrew Bowers Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/i40evf/i40evf_main.c | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c index d962164..6ad6265 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c +++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c @@ -307,10 +307,9 @@ static irqreturn_t i40evf_msix_aq(int irq, void *data) struct i40e_hw *hw = &adapter->hw; u32 val; - /* handle non-queue interrupts */ - rd32(hw, I40E_VFINT_ICR01); - rd32(hw, I40E_VFINT_ICR0_ENA1); - + /* handle non-queue interrupts, these reads clear the registers */ + val = rd32(hw, I40E_VFINT_ICR01); + val = rd32(hw, I40E_VFINT_ICR0_ENA1); val = rd32(hw, I40E_VFINT_DYN_CTL01) | I40E_VFINT_DYN_CTL01_CLEARPBA_MASK; -- 2.5.0