github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-06-07 22:14:04 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

ath9k: Clear key cache explicitly on disabling hardware

Browse Source 
commit 73488cb2fa 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>
This commit is contained in:
Jouni Malinen 2020-12-14 19:21:15 +02:00 committed by Sasha Levin
parent 8f05076983
commit 6566c207e5
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
drivers/net/wireless/ath/ath9k/main.c
View File

@ -899,6 +899,11 @@ static void ath9k_stop(struct ieee80211_hw *hw)
spin_unlock_bh(&sc->sc_pcu_lock); 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); ath9k_ps_restore(sc);
sc->ps_idle = prev_idle; sc->ps_idle = prev_idle;