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| author | Felix Fietkau <nbd@openwrt.org> | 2014-11-13 17:38:22 +0000 |
|---|---|---|
| committer | Felix Fietkau <nbd@openwrt.org> | 2014-11-13 17:38:22 +0000 |
| commit | 5a05cb40ce04154772ab333bc1587beaad68717d (patch) | |
| tree | 9d5687fe4dc59868af284227d798272c96ca094e /package/kernel/mac80211/patches/310-ath9k-set-ATH_OP_INVALID-before-disabling-hardware.patch | |
| parent | bfcdc8711cc437f836fa529183e35c0e845da4fc (diff) | |
| download | upstream-5a05cb40ce04154772ab333bc1587beaad68717d.tar.gz upstream-5a05cb40ce04154772ab333bc1587beaad68717d.tar.bz2 upstream-5a05cb40ce04154772ab333bc1587beaad68717d.zip | |
ath9k: fix crashes when using shared IRQs
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
SVN-Revision: 43239
Diffstat (limited to 'package/kernel/mac80211/patches/310-ath9k-set-ATH_OP_INVALID-before-disabling-hardware.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/310-ath9k-set-ATH_OP_INVALID-before-disabling-hardware.patch | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/310-ath9k-set-ATH_OP_INVALID-before-disabling-hardware.patch b/package/kernel/mac80211/patches/310-ath9k-set-ATH_OP_INVALID-before-disabling-hardware.patch new file mode 100644 index 0000000000..c382e5d103 --- /dev/null +++ b/package/kernel/mac80211/patches/310-ath9k-set-ATH_OP_INVALID-before-disabling-hardware.patch @@ -0,0 +1,29 @@ +From: Felix Fietkau <nbd@openwrt.org> +Date: Thu, 13 Nov 2014 18:29:00 +0100 +Subject: [PATCH] ath9k: set ATH_OP_INVALID before disabling hardware + +Closes another small IRQ handler race + +Signed-off-by: Felix Fietkau <nbd@openwrt.org> +--- + +--- a/drivers/net/wireless/ath/ath9k/main.c ++++ b/drivers/net/wireless/ath/ath9k/main.c +@@ -885,6 +885,9 @@ static void ath9k_stop(struct ieee80211_ + &sc->cur_chan->chandef); + + ath9k_hw_reset(ah, ah->curchan, ah->caldata, false); ++ ++ set_bit(ATH_OP_INVALID, &common->op_flags); ++ + ath9k_hw_phy_disable(ah); + + ath9k_hw_configpcipowersave(ah, true); +@@ -893,7 +896,6 @@ static void ath9k_stop(struct ieee80211_ + + ath9k_ps_restore(sc); + +- set_bit(ATH_OP_INVALID, &common->op_flags); + sc->ps_idle = prev_idle; + + mutex_unlock(&sc->mutex); |