From f4635f66da8d2a1855fa0f9c6b2c1b342fdf527d Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Thu, 11 Jul 2019 21:34:25 +0200
Subject: [PATCH] mt76: mt7615: fix invalid fallback rates
Git-commit: f4635f66da8d2a1855fa0f9c6b2c1b342fdf527d
Patch-mainline: v5.4-rc1
References: jsc#SLE-13430
Only decrement the rate index on duplicate rates if it is not already 0
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/net/wireless/mediatek/mt76/mt7615/mac.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
index fc98dabed594..b3e8ee06a783 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mac.c
@@ -503,6 +503,9 @@ void mt7615_mac_set_rates(struct mt7615_dev *dev, struct mt7615_sta *sta,
IEEE80211_TX_RC_160_MHZ_WIDTH))
continue;
+ if (!rates[i].idx)
+ continue;
+
rates[i].idx--;
}
--
2.16.4