Re: [PATCH v2] iwlwifi: Fix missing error code in iwl_pci_probe()

From: Coelho, Luciano
Date: Tue Nov 02 2021 - 03:56:01 EST


On Tue, 2021-11-02 at 15:38 +0800, Jiapeng Chong wrote:
> From: chongjiapeng <jiapeng.chong@xxxxxxxxxxxxxxxxx>
>
> The error code is missing in this code scenario, add the error code
> '-EINVAL' to the return value 'ret'.
>
> Eliminate the follow smatch warning:
>
> drivers/net/wireless/intel/iwlwifi/pcie/drv.c:1376 iwl_pci_probe() warn:
> missing error code 'ret'.
>
> Reported-by: Abaci Robot <abaci@xxxxxxxxxxxxxxxxx>
> Fixes: 1f171f4f1437 ("iwlwifi: Add support for getting rf id with blank otp")
> Signed-off-by: chongjiapeng <jiapeng.chong@xxxxxxxxxxxxxxxxx>
> ---
> Changes in v2:
> -For the following advice:
> https://lore.kernel.org/lkml/9dbaa72c86470e54c5ddf5476fb9569b4025be3e.camel@xxxxxxxxx/
>
> drivers/net/wireless/intel/iwlwifi/pcie/drv.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
> index c574f041f096..33250d24c2b9 100644
> --- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
> +++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
> @@ -1442,8 +1442,10 @@ static int iwl_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
> */
> if (iwl_trans->trans_cfg->rf_id &&
> iwl_trans->trans_cfg->device_family >= IWL_DEVICE_FAMILY_9000 &&
> - !CSR_HW_RFID_TYPE(iwl_trans->hw_rf_id) && get_crf_id(iwl_trans))
> + !CSR_HW_RFID_TYPE(iwl_trans->hw_rf_id) && get_crf_id(iwl_trans)) {
> + ret = -EINVAL;
> goto out_free_trans;
> + }
>
> dev_info = iwl_pci_find_dev_info(pdev->device, pdev->subsystem_device,
> CSR_HW_REV_TYPE(iwl_trans->hw_rev),

Thanks!

Kalle, can you pick this up for wireless-drivers.git? I have assigned
it to you in patchwork.

Acked-by: Luca Coelho <luciano.coelho@xxxxxxxxx>

--
Cheers,
Luca.