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-rw-r--r--package/mac80211/patches/561-ath9k_antenna_mask_validate.patch13
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;
+