aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/net/wireless/intel/iwlwifi/pcie/drv.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/drv.c b/drivers/net/wireless/intel/iwlwifi/pcie/drv.c
index c574f041f096..395e328c6a07 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 &&