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[PATCH v2 3/5] ath10k: Add WARN_ON if we over-write peer-map pointer.

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From: Ben Greear <greearb@xxxxxxxxxxxxxxx>

Not sure this can happen, but seems like a reasonable sanity
check.

Signed-off-by: Ben Greear <greearb@xxxxxxxxxxxxxxx>
---
 drivers/net/wireless/ath/ath10k/txrx.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/ath/ath10k/txrx.c b/drivers/net/wireless/ath/ath10k/txrx.c
index a779a4e..2edef8a 100644
--- a/drivers/net/wireless/ath/ath10k/txrx.c
+++ b/drivers/net/wireless/ath/ath10k/txrx.c
@@ -309,6 +309,7 @@ void ath10k_peer_map_event(struct ath10k_htt *htt,
 	ath10k_warn(ar, /*ATH10K_DBG_HTT,*/ "htt peer map vdev %d peer %pM id %d\n",
 		   ev->vdev_id, ev->addr, ev->peer_id);
 
+	WARN_ON(ar->peer_map[ev->peer_id] && (ar->peer_map[ev->peer_id] != peer));
 	ar->peer_map[ev->peer_id] = peer;
 	set_bit(ev->peer_id, peer->peer_ids);
 exit:
-- 
2.4.3

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