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authorJouni Malinen <jouni@codeaurora.org>2020-12-14 19:21:15 +0200
committerSasha Levin <sashal@kernel.org>2021-08-26 08:35:32 -0400
commit6566c207e5767deb37d283ed9f77b98439a1de4e (patch)
tree56cc8252eae8a01f32ecf96b2e4d31160a3902a3 /drivers/net/wireless/ath
parent8f05076983ddeaae1165457b6aa4eca9fe0e5498 (diff)
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ath9k: Clear key cache explicitly on disabling hardware
commit 73488cb2fa3bb1ef9f6cf0d757f76958bd4deaca upstream. Now that ath/key.c may not be explicitly clearing keys from the key cache, clear all key cache entries when disabling hardware to make sure no keys are left behind beyond this point. Signed-off-by: Jouni Malinen <jouni@codeaurora.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.org> Link: https://lore.kernel.org/r/20201214172118.18100-3-jouni@codeaurora.org Cc: Pali Rohár <pali@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/net/wireless/ath')
-rw-r--r--drivers/net/wireless/ath/ath9k/main.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index ac805f56627a..7d933fd8e5bb 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -899,6 +899,11 @@ static void ath9k_stop(struct ieee80211_hw *hw)
spin_unlock_bh(&sc->sc_pcu_lock);
+ /* Clear key cache entries explicitly to get rid of any potentially
+ * remaining keys.
+ */
+ ath9k_cmn_init_crypto(sc->sc_ah);
+
ath9k_ps_restore(sc);
sc->ps_idle = prev_idle;