This is a note to let you know that I've just added the patch titled wifi: mwifiex: add missing locking for cfg80211 calls to the 6.12-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-mwifiex-add-missing-locking-for-cfg80211-calls.patch and it can be found in the queue-6.12 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. commit 47a5555dd84f0c6c8e843393678bab06713b6da6 Author: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> Date: Wed Sep 18 13:10:26 2024 +0200 wifi: mwifiex: add missing locking for cfg80211 calls [ Upstream commit 0d7c2194f17c764df0354af13551cc6f92ef5a44 ] cfg80211_rx_assoc_resp() and cfg80211_rx_mlme_mgmt() need to be called with the wiphy locked, so lock it before calling these functions. Fixes: 36995892c271 ("wifi: mwifiex: add host mlme for client mode") Reviewed-by: Francesco Dolcini <francesco.dolcini@xxxxxxxxxxx> Signed-off-by: Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> Acked-by: Brian Norris <briannorris@xxxxxxxxxxxx> Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxx> Link: https://patch.msgid.link/20240918-mwifiex-cleanup-1-v2-1-2d0597187d3c@xxxxxxxxxxxxxx Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> diff --git a/drivers/net/wireless/marvell/mwifiex/cmdevt.c b/drivers/net/wireless/marvell/mwifiex/cmdevt.c index 1cff001bdc514..b30ed321c6251 100644 --- a/drivers/net/wireless/marvell/mwifiex/cmdevt.c +++ b/drivers/net/wireless/marvell/mwifiex/cmdevt.c @@ -938,8 +938,10 @@ void mwifiex_process_assoc_resp(struct mwifiex_adapter *adapter) assoc_resp.links[0].bss = priv->req_bss; assoc_resp.buf = priv->assoc_rsp_buf; assoc_resp.len = priv->assoc_rsp_size; + wiphy_lock(priv->wdev.wiphy); cfg80211_rx_assoc_resp(priv->netdev, &assoc_resp); + wiphy_unlock(priv->wdev.wiphy); priv->assoc_rsp_size = 0; } } diff --git a/drivers/net/wireless/marvell/mwifiex/util.c b/drivers/net/wireless/marvell/mwifiex/util.c index 42c04bf858da3..1f1f6280a0f25 100644 --- a/drivers/net/wireless/marvell/mwifiex/util.c +++ b/drivers/net/wireless/marvell/mwifiex/util.c @@ -494,7 +494,9 @@ mwifiex_process_mgmt_packet(struct mwifiex_private *priv, } } + wiphy_lock(priv->wdev.wiphy); cfg80211_rx_mlme_mgmt(priv->netdev, skb->data, pkt_len); + wiphy_unlock(priv->wdev.wiphy); } if (priv->adapter->host_mlme_enabled &&