Search Linux Wireless

[PATCH] wifi: iwlwifi: Add debugging around scan failure warning.

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



From: Ben Greear <greearb@xxxxxxxxxxxxxxx>

Provide additional information that may help debugging why
the WARN_ON is seen.

Signed-off-by: Ben Greear <greearb@xxxxxxxxxxxxxxx>
---
 drivers/net/wireless/intel/iwlwifi/mvm/scan.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
index 75c5c58e14a5..ec24ece7c877 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
@@ -2356,7 +2356,10 @@ iwl_mvm_scan_umac_fill_general_p_v12(struct iwl_mvm *mvm,
 			link_id = ffs(vif->active_links) - 1;
 
 		link_info = scan_vif->link[link_id];
-		if (!WARN_ON(!link_info))
+		if (WARN_ON(!link_info))
+			IWL_ERR(mvm, "scan failure: Cannot find link info for link-id: %d active-links: 0x%x\n",
+				link_id, vif->active_links);
+		else
 			gp->scan_start_mac_or_link_id = link_info->fw_link_id;
 	}
 }
-- 
2.41.0




[Index of Archives]     [Linux Host AP]     [ATH6KL]     [Linux Wireless Personal Area Network]     [Linux Bluetooth]     [Wireless Regulations]     [Linux Netdev]     [Kernel Newbies]     [Linux Kernel]     [IDE]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite Hiking]     [MIPS Linux]     [ARM Linux]     [Linux RAID]

  Powered by Linux