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wifi: mt76: fix mt76_get_rate

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Do not assume that the first phy has 2 GHz support.
Check sband->band instead of accessing dev->phy.sband_2g.

Link: https://patch.msgid.link/20240827093011.18621-4-nbd@nbd.name
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau
2024-08-27 11:29:51 +02:00
parent 6ea13e6bd2
commit e43b87f6b7
1 changed files with 3 additions and 2 deletions
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drivers/net/wireless/mediatek/mt76/mac80211.c
+3 -2
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@@ -1697,14 +1697,15 @@ int mt76_get_rate(struct mt76_dev *dev,
struct ieee80211_supported_band *sband,
int idx, bool cck)
{
bool is_2g = sband->band == NL80211_BAND_2GHZ;
int i, offset = 0, len = sband->n_bitrates;
if (cck) {
if (sband != &dev->phy.sband_2g.sband)
if (!is_2g)
return 0;
idx &= ~BIT(2); /* short preamble */
} else if (sband == &dev->phy.sband_2g.sband) {
} else if (is_2g) {
offset = 4;
}