diff options
| -rw-r--r-- | package/mac80211/patches/561-ath9k_antenna_mask_validate.patch | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/package/mac80211/patches/561-ath9k_antenna_mask_validate.patch b/package/mac80211/patches/561-ath9k_antenna_mask_validate.patch index c84162fe44..f837c686c7 100644 --- a/package/mac80211/patches/561-ath9k_antenna_mask_validate.patch +++ b/package/mac80211/patches/561-ath9k_antenna_mask_validate.patch @@ -1,16 +1,18 @@ --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c -@@ -1929,12 +1929,24 @@ static u32 fill_chainmask(u32 cap, u32 n +@@ -1929,14 +1929,29 @@ static u32 fill_chainmask(u32 cap, u32 n return filled; } -+static bool validate_antenna_mask(u32 val) ++static bool validate_antenna_mask(struct ath_hw *ah, u32 val) +{ -+ switch (val & 0x7) { ++ switch (val & ah->caps.rx_chainmask) { + case 0x1: + case 0x3: + case 0x7: + return true; ++ case 0x2: ++ return (ah->caps.rx_chainmask == 1); + default: + return false; + } @@ -22,7 +24,10 @@ struct ath_hw *ah = sc->sc_ah; - if (!rx_ant || !tx_ant) -+ if (!validate_antenna_mask(rx_ant) || !validate_antenna_mask(tx_ant)) ++ if (!validate_antenna_mask(ah, rx_ant) || !tx_ant) return -EINVAL; ++ rx_ant |= tx_ant; sc->ant_rx = rx_ant; + sc->ant_tx = tx_ant; + |