openwrtv3/package/kernel/mac80211/patches/307-ath10k-Clean-up-peer-when-sta-goes-away.patch
Felix Fietkau df7af9317b ath10k: merge some pending stability fixes
Signed-off-by: Felix Fietkau <nbd@nbd.name>
2016-06-11 09:51:23 +02:00

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Diff

From: Ben Greear <greearb@candelatech.com>
Date: Fri, 1 Apr 2016 14:12:11 -0700
Subject: [PATCH] ath10k: Clean up peer when sta goes away.
If WMI and/or firmware has issues removing the peer object,
then we still need to clean up the peer object in the driver.
Signed-off-by: Ben Greear <greearb@candelatech.com>
---
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -5949,9 +5949,17 @@ static int ath10k_sta_state(struct ieee8
continue;
if (peer->sta == sta) {
- ath10k_warn(ar, "found sta peer %pM entry on vdev %i after it was supposedly removed\n",
- sta->addr, arvif->vdev_id);
+ ath10k_warn(ar, "found sta peer %pM (ptr %p id %d) entry on vdev %i after it was supposedly removed\n",
+ sta->addr, peer, i, arvif->vdev_id);
peer->sta = NULL;
+
+ /* Clean up the peer object as well since we
+ * must have failed to do this above.
+ */
+ list_del(&peer->list);
+ ar->peer_map[i] = NULL;
+ kfree(peer);
+ ar->num_peers--;
}
}
spin_unlock_bh(&ar->data_lock);