3 files changed, 23 insertions, 14 deletions

diff --git a/drivers/net/wireless/ath/ath10k/debug.c b/drivers/net/wireless/ath/ath10k/debug.c
index 6aa2b93497dd..0dadc6044dba 100644
--- a/drivers/net/wireless/ath/ath10k/debug.c
+++ b/drivers/net/wireless/ath/ath10k/debug.c
@@ -624,17 +624,21 @@ static ssize_t ath10k_write_simulate_fw_crash(struct file *file,
 					      size_t count, loff_t *ppos)
 {
 	struct ath10k *ar = file->private_data;
-	char buf[32];
+	char buf[32] = {0};
+	ssize_t rc;
 	int ret;
 
-	simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
+	/* filter partial writes and invalid commands */
+	if (*ppos != 0 || count >= sizeof(buf) || count == 0)
+		return -EINVAL;
 
-	/* make sure that buf is null terminated */
-	buf[sizeof(buf) - 1] = 0;
+	rc = simple_write_to_buffer(buf, sizeof(buf) - 1, ppos, user_buf, count);
+	if (rc < 0)
+		return rc;
 
 	/* drop the possible '\n' from the end */
-	if (buf[count - 1] == '\n')
-		buf[count - 1] = 0;
+	if (buf[*ppos - 1] == '\n')
+		buf[*ppos - 1] = '\0';
 
 	mutex_lock(&ar->conf_mutex);
 
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 1e6e63dbd61c..a497bf31953d 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -2505,7 +2505,7 @@ static void ath10k_peer_assoc_h_qos(struct ath10k *ar,
 		}
 		break;
 	case WMI_VDEV_TYPE_STA:
-		if (vif->bss_conf.qos)
+		if (sta->wme)
 			arg->peer_flags |= arvif->ar->wmi.peer_flags->qos;
 		break;
 	case WMI_VDEV_TYPE_IBSS:
diff --git a/drivers/net/wireless/ath/regd.c b/drivers/net/wireless/ath/regd.c
index f8506037736f..404fc306cb2a 100644
--- a/drivers/net/wireless/ath/regd.c
+++ b/drivers/net/wireless/ath/regd.c
@@ -254,8 +254,12 @@ bool ath_is_49ghz_allowed(u16 regdomain)
 EXPORT_SYMBOL(ath_is_49ghz_allowed);
 
 /* Frequency is one where radar detection is required */
-static bool ath_is_radar_freq(u16 center_freq)
+static bool ath_is_radar_freq(u16 center_freq,
+			      struct ath_regulatory *reg)
+
 {
+	if (reg->country_code == CTRY_INDIA)
+		return (center_freq >= 5500 && center_freq <= 5700);
 	return (center_freq >= 5260 && center_freq <= 5700);
 }
 
@@ -306,7 +310,7 @@ __ath_reg_apply_beaconing_flags(struct wiphy *wiphy,
 				enum nl80211_reg_initiator initiator,
 				struct ieee80211_channel *ch)
 {
-	if (ath_is_radar_freq(ch->center_freq) ||
+	if (ath_is_radar_freq(ch->center_freq, reg) ||
 	    (ch->flags & IEEE80211_CHAN_RADAR))
 		return;
 
@@ -395,8 +399,9 @@ ath_reg_apply_ir_flags(struct wiphy *wiphy,
 	}
 }
 
-/* Always apply Radar/DFS rules on freq range 5260 MHz - 5700 MHz */
-static void ath_reg_apply_radar_flags(struct wiphy *wiphy)
+/* Always apply Radar/DFS rules on freq range 5500 MHz - 5700 MHz */
+static void ath_reg_apply_radar_flags(struct wiphy *wiphy,
+				      struct ath_regulatory *reg)
 {
 	struct ieee80211_supported_band *sband;
 	struct ieee80211_channel *ch;
@@ -409,7 +414,7 @@ static void ath_reg_apply_radar_flags(struct wiphy *wiphy)
 
 	for (i = 0; i < sband->n_channels; i++) {
 		ch = &sband->channels[i];
-		if (!ath_is_radar_freq(ch->center_freq))
+		if (!ath_is_radar_freq(ch->center_freq, reg))
 			continue;
 		/* We always enable radar detection/DFS on this
 		 * frequency range. Additionally we also apply on
@@ -505,7 +510,7 @@ void ath_reg_notifier_apply(struct wiphy *wiphy,
 	struct ath_common *common = container_of(reg, struct ath_common,
 						 regulatory);
 	/* We always apply this */
-	ath_reg_apply_radar_flags(wiphy);
+	ath_reg_apply_radar_flags(wiphy, reg);
 
 	/*
 	 * This would happen when we have sent a custom regulatory request
@@ -653,7 +658,7 @@ ath_regd_init_wiphy(struct ath_regulatory *reg,
 	}
 
 	wiphy_apply_custom_regulatory(wiphy, regd);
-	ath_reg_apply_radar_flags(wiphy);
+	ath_reg_apply_radar_flags(wiphy, reg);
 	ath_reg_apply_world_flags(wiphy, NL80211_REGDOM_SET_BY_DRIVER, reg);
 	return 0;
 }