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path: root/drivers/net/wireless/intel/iwlwifi/pcie
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Diffstat (limited to 'drivers/net/wireless/intel/iwlwifi/pcie')
-rw-r--r--drivers/net/wireless/intel/iwlwifi/pcie/drv.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
index c574f041f096..5ce07f28e7c3 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
@@ -1339,9 +1339,13 @@ iwl_pci_find_dev_info(u16 device, u16 subsystem_device,
u16 mac_type, u8 mac_step,
u16 rf_type, u8 cdb, u8 rf_id, u8 no_160, u8 cores)
{
+ int num_devices = ARRAY_SIZE(iwl_dev_info_table);
int i;
- for (i = ARRAY_SIZE(iwl_dev_info_table) - 1; i >= 0; i--) {
+ if (!num_devices)
+ return NULL;
+
+ for (i = num_devices - 1; i >= 0; i--) {
const struct iwl_dev_info *dev_info = &iwl_dev_info_table[i];
if (dev_info->device != (u16)IWL_CFG_ANY &&
@@ -1442,8 +1446,10 @@ 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),