This is a note to let you know that I've just added the patch titled
wifi: iwlwifi: mvm: Do not warn on invalid link on scan complete
to the 6.8-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
wifi-iwlwifi-mvm-do-not-warn-on-invalid-link-on-scan.patch
and it can be found in the queue-6.8 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit b31df796425d89738acb68dc98a34a0d10f46237
Author: Ilan Peer <ilan.peer@xxxxxxxxx>
Date: Tue Mar 19 10:10:25 2024 +0200
wifi: iwlwifi: mvm: Do not warn on invalid link on scan complete
[ Upstream commit 1c78d39f4ede227e50e36165b3a76bc7c37ead02 ]
As it is possible that by the time the scan is completed the link was
already removed.
Fixes: 3a5a5cb06700 ("wifi: iwlwifi: mvm: Correctly report TSF data in scan complete")
Signed-off-by: Ilan Peer <ilan.peer@xxxxxxxxx>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@xxxxxxxxx>
Link: https://msgid.link/20240319100755.619d3574a757.I0523e92547f0288c8b0119b1fdc5e967a5a8956e@changeid
Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
index 97d44354dbbb5..3dc6fb0600aae 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/scan.c
@@ -3173,8 +3173,13 @@ void iwl_mvm_rx_umac_scan_complete_notif(struct iwl_mvm *mvm,
struct iwl_mvm_vif_link_info *link_info =
scan_vif->link[mvm->scan_link_id];
- if (!WARN_ON(!link_info))
+ /* It is possible that by the time the scan is complete the link
+ * was already removed and is not valid.
+ */
+ if (link_info)
memcpy(info.tsf_bssid, link_info->bssid, ETH_ALEN);
+ else
+ IWL_DEBUG_SCAN(mvm, "Scan link is no longer valid\n");
ieee80211_scan_completed(mvm->hw, &info);
mvm->scan_vif = NULL;
