linux-kernel - Re: [PATCH] XXX PCI/AER: remove unused variables

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Date:   Tue, 2 Oct 2018 16:27:02 -0500
From:   Bjorn Helgaas <bhelgaas@...gle.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     poza@...eaurora.org,
        "Kirsher, Jeffrey T" <jeffrey.t.kirsher@...el.com>,
        David Miller <davem@...emloft.net>,
        linux-net-drivers <linux-net-drivers@...arflare.com>,
        Edward Cree <ecree@...arflare.com>,
        Jacob Keller <jacob.e.keller@...el.com>,
        amritha.nambiar@...el.com, alan.brady@...el.com,
        Alex Duyck <alexander.h.duyck@...el.com>,
        shannon.nelson@...cle.com, brouer@...hat.com,
        dmaengine@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        intel-wired-lan@...ts.osuosl.org, netdev <netdev@...r.kernel.org>
Subject: Re: [PATCH] XXX PCI/AER: remove unused variables

On Tue, Oct 2, 2018 at 4:04 PM Arnd Bergmann <arnd@...db.de> wrote:
>
> A couple of files now contain a function with a return
> code variable that is no longer used:

These are fixed already, thanks.

> drivers/net/ethernet/sfc/efx.c: In function 'efx_io_slot_reset':
> drivers/net/ethernet/sfc/efx.c:3824:6: error: unused variable 'rc' [-Werror=unused-variable]
>   int rc;
>       ^~
> drivers/net/ethernet/sfc/falcon/efx.c: In function 'ef4_io_slot_reset':
> Oza Pawandeep <poza@...eaurora.org>
> drivers/net/ethernet/sfc/falcon/efx.c:3163:6: error: unused variable 'rc' [-Werror=unused-variable]
>   int rc;
>       ^~
> drivers/net/ethernet/intel/ixgbe/ixgbe_main.c: In function 'ixgbe_io_slot_reset':
> drivers/net/ethernet/intel/ixgbe/ixgbe_main.c:11143:6: error: unused variable 'err' [-Werror=unused-variable]
>   int err;
>       ^~~
> drivers/net/ethernet/intel/i40e/i40e_main.c: In function 'i40e_pci_error_slot_reset':
> drivers/net/ethernet/intel/i40e/i40e_main.c:14555:6: error: unused variable 'err' [-Werror=unused-variable]
>   int err;
>
> drivers/dma/ioat/init.c: In function 'ioat_pcie_error_slot_reset':
> drivers/dma/ioat/init.c:1255:6: error: unused variable 'err' [-Werror=unused-variable]
>   int err;
>
> This removes all the ones I found during randconfig build testing.
>
> Fixes: 6dcde3e574b2 ("XXX PCI/AER: Remove pci_cleanup_aer_uncorrect_error_status() calls")
> Cc: Oza Pawandeep <poza@...eaurora.org>
> Cc: Bjorn Helgaas <bhelgaas@...gle.com>
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
>  drivers/dma/ioat/init.c                       | 1 -
>  drivers/net/ethernet/intel/i40e/i40e_main.c   | 1 -
>  drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 1 -
>  drivers/net/ethernet/sfc/efx.c                | 1 -
>  drivers/net/ethernet/sfc/falcon/efx.c         | 1 -
>  5 files changed, 5 deletions(-)
>
> diff --git a/drivers/dma/ioat/init.c b/drivers/dma/ioat/init.c
> index 80c475fb8ede..bd8db5c99597 100644
> --- a/drivers/dma/ioat/init.c
> +++ b/drivers/dma/ioat/init.c
> @@ -1252,7 +1252,6 @@ static pci_ers_result_t ioat_pcie_error_detected(struct pci_dev *pdev,
>  static pci_ers_result_t ioat_pcie_error_slot_reset(struct pci_dev *pdev)
>  {
>         pci_ers_result_t result = PCI_ERS_RESULT_RECOVERED;
> -       int err;
>
>         dev_dbg(&pdev->dev, "%s post reset handling\n", DRV_NAME);
>
> diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
> index 4654ac69dfb6..bc71a21c1dc2 100644
> --- a/drivers/net/ethernet/intel/i40e/i40e_main.c
> +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
> @@ -14552,7 +14552,6 @@ static pci_ers_result_t i40e_pci_error_slot_reset(struct pci_dev *pdev)
>  {
>         struct i40e_pf *pf = pci_get_drvdata(pdev);
>         pci_ers_result_t result;
> -       int err;
>         u32 reg;
>
>         dev_dbg(&pdev->dev, "%s\n", __func__);
> diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
> index 9bee51d900ac..0a2b9cad4b1c 100644
> --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
> +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
> @@ -11140,7 +11140,6 @@ static pci_ers_result_t ixgbe_io_slot_reset(struct pci_dev *pdev)
>  {
>         struct ixgbe_adapter *adapter = pci_get_drvdata(pdev);
>         pci_ers_result_t result;
> -       int err;
>
>         if (pci_enable_device_mem(pdev)) {
>                 e_err(probe, "Cannot re-enable PCI device after reset.\n");
> diff --git a/drivers/net/ethernet/sfc/efx.c b/drivers/net/ethernet/sfc/efx.c
> index ec941ca967b3..98fe7e762e17 100644
> --- a/drivers/net/ethernet/sfc/efx.c
> +++ b/drivers/net/ethernet/sfc/efx.c
> @@ -3821,7 +3821,6 @@ static pci_ers_result_t efx_io_slot_reset(struct pci_dev *pdev)
>  {
>         struct efx_nic *efx = pci_get_drvdata(pdev);
>         pci_ers_result_t status = PCI_ERS_RESULT_RECOVERED;
> -       int rc;
>
>         if (pci_enable_device(pdev)) {
>                 netif_err(efx, hw, efx->net_dev,
> diff --git a/drivers/net/ethernet/sfc/falcon/efx.c b/drivers/net/ethernet/sfc/falcon/efx.c
> index 9b728efd71a4..8b1f94d7a6c5 100644
> --- a/drivers/net/ethernet/sfc/falcon/efx.c
> +++ b/drivers/net/ethernet/sfc/falcon/efx.c
> @@ -3160,7 +3160,6 @@ static pci_ers_result_t ef4_io_slot_reset(struct pci_dev *pdev)
>  {
>         struct ef4_nic *efx = pci_get_drvdata(pdev);
>         pci_ers_result_t status = PCI_ERS_RESULT_RECOVERED;
> -       int rc;
>
>         if (pci_enable_device(pdev)) {
>                 netif_err(efx, hw, efx->net_dev,
> --
> 2.18.0
>