This is a note to let you know that I've just added the patch titled wifi: iwlwifi: mvm: fix potential memory leak to the 6.2-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-fix-potential-memory-leak.patch and it can be found in the queue-6.2 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 3a4cd8addf3b258451e56a3775f844c6e643b990 Author: Johannes Berg <johannes.berg@xxxxxxxxx> Date: Tue Apr 18 12:28:08 2023 +0300 wifi: iwlwifi: mvm: fix potential memory leak [ Upstream commit 457d7fb03e6c3d73fbb509bd85fc4b02d1ab405e ] If we do get multiple notifications from firmware, then we might have allocated 'notif', but don't free it. Fix that by checking for duplicates before allocation. Fixes: 4da46a06d443 ("wifi: iwlwifi: mvm: Add support for wowlan info notification") Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx> Signed-off-by: Gregory Greenman <gregory.greenman@xxxxxxxxx> Link: https://lore.kernel.org/r/20230418122405.116758321cc4.I8bdbcbb38c89ac637eaa20dda58fa9165b25893a@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/d3.c b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c index 29f75948ab00c..fe2de813fbf49 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/d3.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/d3.c @@ -2715,6 +2715,7 @@ static bool iwl_mvm_wait_d3_notif(struct iwl_notif_wait_data *notif_wait, break; } + d3_data->notif_received |= IWL_D3_NOTIF_WOWLAN_INFO; len = iwl_rx_packet_payload_len(pkt); iwl_mvm_parse_wowlan_info_notif(mvm, notif, d3_data->status,