linux-kernel - [PATCH v2] iwlwifi: Fix missing error code in iwl_pci

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Message-Id: <1635838727-128735-1-git-send-email-jiapeng.chong@linux.alibaba.com>
Date:   Tue,  2 Nov 2021 15:38:47 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     luciano.coelho@...el.com
Cc:     kvalo@...eaurora.org, davem@...emloft.net, kuba@...nel.org,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        chongjiapeng <jiapeng.chong@...ux.alibaba.com>
Subject: [PATCH v2] iwlwifi: Fix missing error code in iwl_pci_probe()

From: chongjiapeng <jiapeng.chong@...ux.alibaba.com>

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@...ux.alibaba.com>
Fixes: 1f171f4f1437 ("iwlwifi: Add support for getting rf id with blank otp")
Signed-off-by: chongjiapeng <jiapeng.chong@...ux.alibaba.com>
---
Changes in v2:
  -For the following advice:
  https://lore.kernel.org/lkml/9dbaa72c86470e54c5ddf5476fb9569b4025be3e.camel@intel.com/

 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),
-- 
2.19.1.6.gb485710b