This is a note to let you know that I've just added the patch titled ath9k: fix using sta->drv_priv before initializing it to the 4.4-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: ath9k-fix-using-sta-drv_priv-before-initializing-it.patch and it can be found in the queue-4.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 7711aaf08ad3fc4d0e937eec1de0a63620444ce7 Mon Sep 17 00:00:00 2001 From: Felix Fietkau <nbd@xxxxxxxx> Date: Fri, 19 Aug 2016 13:37:46 +0300 Subject: ath9k: fix using sta->drv_priv before initializing it From: Felix Fietkau <nbd@xxxxxxxx> commit 7711aaf08ad3fc4d0e937eec1de0a63620444ce7 upstream. A station pointer can be passed to the driver on tx, before it has been marked as associated. Since ath9k_sta_state was initializing the entry too late, it resulted in some spurious crashes. Fixes: df3c6eb34da5 ("ath9k: Use sta_state() callback") Signed-off-by: Felix Fietkau <nbd@xxxxxxxx> Signed-off-by: Kalle Valo <kvalo@xxxxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/net/wireless/ath/ath9k/main.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -1550,13 +1550,13 @@ static int ath9k_sta_state(struct ieee80 struct ath_common *common = ath9k_hw_common(sc->sc_ah); int ret = 0; - if (old_state == IEEE80211_STA_AUTH && - new_state == IEEE80211_STA_ASSOC) { + if (old_state == IEEE80211_STA_NOTEXIST && + new_state == IEEE80211_STA_NONE) { ret = ath9k_sta_add(hw, vif, sta); ath_dbg(common, CONFIG, "Add station: %pM\n", sta->addr); - } else if (old_state == IEEE80211_STA_ASSOC && - new_state == IEEE80211_STA_AUTH) { + } else if (old_state == IEEE80211_STA_NONE && + new_state == IEEE80211_STA_NOTEXIST) { ret = ath9k_sta_remove(hw, vif, sta); ath_dbg(common, CONFIG, "Remove station: %pM\n", sta->addr); Patches currently in stable-queue which might be from nbd@xxxxxxxx are queue-4.4/ath9k-fix-using-sta-drv_priv-before-initializing-it.patch -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html