[PATCH v2 04/21] ath10k: rate-limit packet tx errors

[greearb at candelatech.com]

From: Ben Greear <greearb at candelatech.com>

When firmware crashes, stack can continue to send packets
for a bit, and existing code was spamming logs.

So, rate-limit the error message for tx failures.

Signed-off-by: Ben Greear <greearb at candelatech.com>
---
 drivers/net/wireless/ath/ath10k/mac.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index cd3016d..42cac32 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -3432,8 +3432,9 @@ static int ath10k_mac_tx_submit(struct ath10k *ar,
 	}
 
 	if (ret) {
-		ath10k_warn(ar, "failed to transmit packet, dropping: %d\n",
-			    ret);
+		if (net_ratelimit())
+			ath10k_warn(ar, "failed to transmit packet, dropping: %d\n",
+				    ret);
 		ieee80211_free_txskb(ar->hw, skb);
 	}
 
-- 
2.4.3