Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-next-2.6

9 files changed, 182 insertions, 95 deletions

diff --git a/net/mac80211/aes_ccm.c b/net/mac80211/aes_ccm.c
index d2b03e0851ef..4bd6ef0be380 100644
--- a/net/mac80211/aes_ccm.c
+++ b/net/mac80211/aes_ccm.c
@@ -147,6 +147,5 @@ struct crypto_cipher *ieee80211_aes_key_setup_encrypt(const u8 key[])
 
 void ieee80211_aes_key_free(struct crypto_cipher *tfm)
 {
-	if (tfm)
-		crypto_free_cipher(tfm);
+	crypto_free_cipher(tfm);
 }
diff --git a/net/mac80211/aes_cmac.c b/net/mac80211/aes_cmac.c
index b4d66cca76d6..d502b2684a66 100644
--- a/net/mac80211/aes_cmac.c
+++ b/net/mac80211/aes_cmac.c
@@ -128,6 +128,5 @@ struct crypto_cipher * ieee80211_aes_cmac_key_setup(const u8 key[])
 
 void ieee80211_aes_cmac_key_free(struct crypto_cipher *tfm)
 {
-	if (tfm)
-		crypto_free_cipher(tfm);
+	crypto_free_cipher(tfm);
 }
diff --git a/net/mac80211/debugfs.c b/net/mac80211/debugfs.c
index 18260aa99c56..1f02e599a318 100644
--- a/net/mac80211/debugfs.c
+++ b/net/mac80211/debugfs.c
@@ -21,16 +21,30 @@ int mac80211_open_file_generic(struct inode *inode, struct file *file)
 	return 0;
 }
 
-#define DEBUGFS_READONLY_FILE(name, buflen, fmt, value...)		\
+#define DEBUGFS_FORMAT_BUFFER_SIZE 100
+
+int mac80211_format_buffer(char __user *userbuf, size_t count,
+				  loff_t *ppos, char *fmt, ...)
+{
+	va_list args;
+	char buf[DEBUGFS_FORMAT_BUFFER_SIZE];
+	int res;
+
+	va_start(args, fmt);
+	res = vscnprintf(buf, sizeof(buf), fmt, args);
+	va_end(args);
+
+	return simple_read_from_buffer(userbuf, count, ppos, buf, res);
+}
+
+#define DEBUGFS_READONLY_FILE(name, fmt, value...)			\
 static ssize_t name## _read(struct file *file, char __user *userbuf,	\
 			    size_t count, loff_t *ppos)			\
 {									\
 	struct ieee80211_local *local = file->private_data;		\
-	char buf[buflen];						\
-	int res;							\
 									\
-	res = scnprintf(buf, buflen, fmt "\n", ##value);		\
-	return simple_read_from_buffer(userbuf, count, ppos, buf, res);	\
+	return mac80211_format_buffer(userbuf, count, ppos, 		\
+				      fmt "\n", ##value);		\
 }									\
 									\
 static const struct file_operations name## _ops = {			\
@@ -46,13 +60,13 @@ static const struct file_operations name## _ops = {			\
 	debugfs_create_file(#name, mode, phyd, local, &name## _ops);
 
 
-DEBUGFS_READONLY_FILE(frequency, 20, "%d",
+DEBUGFS_READONLY_FILE(frequency, "%d",
 		      local->hw.conf.channel->center_freq);
-DEBUGFS_READONLY_FILE(total_ps_buffered, 20, "%d",
+DEBUGFS_READONLY_FILE(total_ps_buffered, "%d",
 		      local->total_ps_buffered);
-DEBUGFS_READONLY_FILE(wep_iv, 20, "%#08x",
+DEBUGFS_READONLY_FILE(wep_iv, "%#08x",
 		      local->wep_iv & 0xffffff);
-DEBUGFS_READONLY_FILE(rate_ctrl_alg, 100, "%s",
+DEBUGFS_READONLY_FILE(rate_ctrl_alg, "%s",
 	local->rate_ctrl ? local->rate_ctrl->ops->name : "hw/driver");
 
 static ssize_t tsf_read(struct file *file, char __user *user_buf,
@@ -60,13 +74,11 @@ static ssize_t tsf_read(struct file *file, char __user *user_buf,
 {
 	struct ieee80211_local *local = file->private_data;
 	u64 tsf;
-	char buf[100];
 
 	tsf = drv_get_tsf(local);
 
-	snprintf(buf, sizeof(buf), "0x%016llx\n", (unsigned long long) tsf);
-
-	return simple_read_from_buffer(user_buf, count, ppos, buf, 19);
+	return mac80211_format_buffer(user_buf, count, ppos, "0x%016llx\n",
+				      (unsigned long long) tsf);
 }
 
 static ssize_t tsf_write(struct file *file,
@@ -131,12 +143,9 @@ static ssize_t noack_read(struct file *file, char __user *user_buf,
 			  size_t count, loff_t *ppos)
 {
 	struct ieee80211_local *local = file->private_data;
-	int res;
-	char buf[10];
 
-	res = scnprintf(buf, sizeof(buf), "%d\n", local->wifi_wme_noack_test);
-
-	return simple_read_from_buffer(user_buf, count, ppos, buf, res);
+	return mac80211_format_buffer(user_buf, count, ppos, "%d\n",
+				      local->wifi_wme_noack_test);
 }
 
 static ssize_t noack_write(struct file *file,
@@ -168,12 +177,8 @@ static ssize_t uapsd_queues_read(struct file *file, char __user *user_buf,
 				 size_t count, loff_t *ppos)
 {
 	struct ieee80211_local *local = file->private_data;
-	int res;
-	char buf[10];
-
-	res = scnprintf(buf, sizeof(buf), "0x%x\n", local->uapsd_queues);
-
-	return simple_read_from_buffer(user_buf, count, ppos, buf, res);
+	return mac80211_format_buffer(user_buf, count, ppos, "0x%x\n",
+				      local->uapsd_queues);
 }
 
 static ssize_t uapsd_queues_write(struct file *file,
@@ -215,12 +220,9 @@ static ssize_t uapsd_max_sp_len_read(struct file *file, char __user *user_buf,
 				     size_t count, loff_t *ppos)
 {
 	struct ieee80211_local *local = file->private_data;
-	int res;
-	char buf[10];
 
-	res = scnprintf(buf, sizeof(buf), "0x%x\n", local->uapsd_max_sp_len);
-
-	return simple_read_from_buffer(user_buf, count, ppos, buf, res);
+	return mac80211_format_buffer(user_buf, count, ppos, "0x%x\n",
+				      local->uapsd_max_sp_len);
 }
 
 static ssize_t uapsd_max_sp_len_write(struct file *file,
diff --git a/net/mac80211/debugfs.h b/net/mac80211/debugfs.h
index 09cc9be34796..7c87529630f5 100644
--- a/net/mac80211/debugfs.h
+++ b/net/mac80211/debugfs.h
@@ -4,6 +4,8 @@
 #ifdef CONFIG_MAC80211_DEBUGFS
 extern void debugfs_hw_add(struct ieee80211_local *local);
 extern int mac80211_open_file_generic(struct inode *inode, struct file *file);
+extern int mac80211_format_buffer(char __user *userbuf, size_t count,
+				  loff_t *ppos, char *fmt, ...);
 #else
 static inline void debugfs_hw_add(struct ieee80211_local *local)
 {
diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c
index 1243d1db5c59..5822a6ce7671 100644
--- a/net/mac80211/debugfs_key.c
+++ b/net/mac80211/debugfs_key.c
@@ -15,18 +15,17 @@
 #include "debugfs.h"
 #include "debugfs_key.h"
 
-#define KEY_READ(name, prop, buflen, format_string)			\
+#define KEY_READ(name, prop, format_string)				\
 static ssize_t key_##name##_read(struct file *file,			\
 				 char __user *userbuf,			\
 				 size_t count, loff_t *ppos)		\
 {									\
-	char buf[buflen];						\
 	struct ieee80211_key *key = file->private_data;			\
-	int res = scnprintf(buf, buflen, format_string, key->prop);	\
-	return simple_read_from_buffer(userbuf, count, ppos, buf, res);	\
+	return mac80211_format_buffer(userbuf, count, ppos, 		\
+				      format_string, key->prop);	\
 }
-#define KEY_READ_D(name) KEY_READ(name, name, 20, "%d\n")
-#define KEY_READ_X(name) KEY_READ(name, name, 20, "0x%x\n")
+#define KEY_READ_D(name) KEY_READ(name, name, "%d\n")
+#define KEY_READ_X(name) KEY_READ(name, name, "0x%x\n")
 
 #define KEY_OPS(name)							\
 static const struct file_operations key_ ##name## _ops = {		\
@@ -39,9 +38,9 @@ static const struct file_operations key_ ##name## _ops = {		\
 		 KEY_READ_##format(name)				\
 		 KEY_OPS(name)
 
-#define KEY_CONF_READ(name, buflen, format_string)			\
-	KEY_READ(conf_##name, conf.name, buflen, format_string)
-#define KEY_CONF_READ_D(name) KEY_CONF_READ(name, 20, "%d\n")
+#define KEY_CONF_READ(name, format_string)				\
+	KEY_READ(conf_##name, conf.name, format_string)
+#define KEY_CONF_READ_D(name) KEY_CONF_READ(name, "%d\n")
 
 #define KEY_CONF_OPS(name)						\
 static const struct file_operations key_ ##name## _ops = {		\
@@ -59,7 +58,7 @@ KEY_CONF_FILE(keyidx, D);
 KEY_CONF_FILE(hw_key_idx, D);
 KEY_FILE(flags, X);
 KEY_FILE(tx_rx_count, D);
-KEY_READ(ifindex, sdata->name, IFNAMSIZ + 2, "%s\n");
+KEY_READ(ifindex, sdata->name, "%s\n");
 KEY_OPS(ifindex);
 
 static ssize_t key_algorithm_read(struct file *file,
diff --git a/net/mac80211/debugfs_sta.c b/net/mac80211/debugfs_sta.c
index 4601fea1784d..f0fce37f4069 100644
--- a/net/mac80211/debugfs_sta.c
+++ b/net/mac80211/debugfs_sta.c
@@ -17,20 +17,18 @@
 
 /* sta attributtes */
 
-#define STA_READ(name, buflen, field, format_string)			\
+#define STA_READ(name, field, format_string)				\
 static ssize_t sta_ ##name## _read(struct file *file,			\
 				   char __user *userbuf,		\
 				   size_t count, loff_t *ppos)		\
 {									\
-	int res;							\
 	struct sta_info *sta = file->private_data;			\
-	char buf[buflen];						\
-	res = scnprintf(buf, buflen, format_string, sta->field);	\
-	return simple_read_from_buffer(userbuf, count, ppos, buf, res);	\
+	return mac80211_format_buffer(userbuf, count, ppos, 		\
+				      format_string, sta->field);	\
 }
-#define STA_READ_D(name, field) STA_READ(name, 20, field, "%d\n")
-#define STA_READ_U(name, field) STA_READ(name, 20, field, "%u\n")
-#define STA_READ_S(name, field) STA_READ(name, 20, field, "%s\n")
+#define STA_READ_D(name, field) STA_READ(name, field, "%d\n")
+#define STA_READ_U(name, field) STA_READ(name, field, "%u\n")
+#define STA_READ_S(name, field) STA_READ(name, field, "%s\n")
 
 #define STA_OPS(name)							\
 static const struct file_operations sta_ ##name## _ops = {		\
@@ -79,22 +77,18 @@ static ssize_t sta_num_ps_buf_frames_read(struct file *file,
 					  char __user *userbuf,
 					  size_t count, loff_t *ppos)
 {
-	char buf[20];
 	struct sta_info *sta = file->private_data;
-	int res = scnprintf(buf, sizeof(buf), "%u\n",
-			    skb_queue_len(&sta->ps_tx_buf));
-	return simple_read_from_buffer(userbuf, count, ppos, buf, res);
+	return mac80211_format_buffer(userbuf, count, ppos, "%u\n",
+				      skb_queue_len(&sta->ps_tx_buf));
 }
 STA_OPS(num_ps_buf_frames);
 
 static ssize_t sta_inactive_ms_read(struct file *file, char __user *userbuf,
 				    size_t count, loff_t *ppos)
 {
-	char buf[20];
 	struct sta_info *sta = file->private_data;
-	int res = scnprintf(buf, sizeof(buf), "%d\n",
-			    jiffies_to_msecs(jiffies - sta->last_rx));
-	return simple_read_from_buffer(userbuf, count, ppos, buf, res);
+	return mac80211_format_buffer(userbuf, count, ppos, "%d\n",
+				      jiffies_to_msecs(jiffies - sta->last_rx));
 }
 STA_OPS(inactive_ms);
 
diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c
index 2a18d6602d4a..2d6f0259e0c6 100644
--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -407,8 +407,8 @@ minstrel_ht_tx_status(void *priv, struct ieee80211_supported_band *sband,
 	mi->ampdu_len += info->status.ampdu_len;
 
 	if (!mi->sample_wait && !mi->sample_tries && mi->sample_count > 0) {
-		mi->sample_wait = 4 + 2 * MINSTREL_TRUNC(mi->avg_ampdu_len);
-		mi->sample_tries = 3;
+		mi->sample_wait = 16 + 2 * MINSTREL_TRUNC(mi->avg_ampdu_len);
+		mi->sample_tries = 2;
 		mi->sample_count--;
 	}
 
@@ -506,7 +506,9 @@ minstrel_ht_set_rate(struct minstrel_priv *mp, struct minstrel_ht_sta *mi,
 	if (!mr->retry_updated)
 		minstrel_calc_retransmit(mp, mi, index);
 
-	if (mr->probability < MINSTREL_FRAC(20, 100))
+	if (sample)
+		rate->count = 1;
+	else if (mr->probability < MINSTREL_FRAC(20, 100))
 		rate->count = 2;
 	else if (rtscts)
 		rate->count = mr->retry_count_rtscts;
@@ -562,7 +564,7 @@ minstrel_get_sample_rate(struct minstrel_priv *mp, struct minstrel_ht_sta *mi)
 	 */
 	if (minstrel_get_duration(sample_idx) >
 	    minstrel_get_duration(mi->max_tp_rate)) {
-		if (mr->sample_skipped < 10)
+		if (mr->sample_skipped < 20)
 			goto next;
 
 		if (mi->sample_slow++ > 2)
@@ -586,6 +588,7 @@ minstrel_ht_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta,
 	struct minstrel_ht_sta *mi = &msp->ht;
 	struct minstrel_priv *mp = priv;
 	int sample_idx;
+	bool sample = false;
 
 	if (rate_control_send_low(sta, priv_sta, txrc))
 		return;
@@ -596,10 +599,11 @@ minstrel_ht_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta,
 	info->flags |= mi->tx_flags;
 	sample_idx = minstrel_get_sample_rate(mp, mi);
 	if (sample_idx >= 0) {
+		sample = true;
 		minstrel_ht_set_rate(mp, mi, &ar[0], sample_idx,
 			txrc, true, false);
 		minstrel_ht_set_rate(mp, mi, &ar[1], mi->max_tp_rate,
-			txrc, false, true);
+			txrc, false, false);
 		info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE;
 	} else {
 		minstrel_ht_set_rate(mp, mi, &ar[0], mi->max_tp_rate,
@@ -607,7 +611,7 @@ minstrel_ht_get_rate(void *priv, struct ieee80211_sta *sta, void *priv_sta,
 		minstrel_ht_set_rate(mp, mi, &ar[1], mi->max_tp_rate2,
 			txrc, false, true);
 	}
-	minstrel_ht_set_rate(mp, mi, &ar[2], mi->max_prob_rate, txrc, false, true);
+	minstrel_ht_set_rate(mp, mi, &ar[2], mi->max_prob_rate, txrc, false, !sample);
 
 	ar[3].count = 0;
 	ar[3].idx = -1;
diff --git a/net/rfkill/core.c b/net/rfkill/core.c
index 04f599089e6d..0198191b756d 100644
--- a/net/rfkill/core.c
+++ b/net/rfkill/core.c
@@ -149,20 +149,6 @@ static void rfkill_led_trigger_activate(struct led_classdev *led)
 	rfkill_led_trigger_event(rfkill);
 }
 
-const char *rfkill_get_led_trigger_name(struct rfkill *rfkill)
-{
-	return rfkill->led_trigger.name;
-}
-EXPORT_SYMBOL(rfkill_get_led_trigger_name);
-
-void rfkill_set_led_trigger_name(struct rfkill *rfkill, const char *name)
-{
-	BUG_ON(!rfkill);
-
-	rfkill->ledtrigname = name;
-}
-EXPORT_SYMBOL(rfkill_set_led_trigger_name);
-
 static int rfkill_led_trigger_register(struct rfkill *rfkill)
 {
 	rfkill->led_trigger.name = rfkill->ledtrigname
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 4b9f8912526c..3be18d9a944f 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -48,7 +48,7 @@
 #ifdef CONFIG_CFG80211_REG_DEBUG
 #define REG_DBG_PRINT(format, args...) \
 	do { \
-		printk(KERN_DEBUG format , ## args); \
+		printk(KERN_DEBUG "cfg80211: " format , ## args); \
 	} while (0)
 #else
 #define REG_DBG_PRINT(args...)
@@ -711,6 +711,60 @@ int freq_reg_info(struct wiphy *wiphy,
 }
 EXPORT_SYMBOL(freq_reg_info);
 
+#ifdef CONFIG_CFG80211_REG_DEBUG
+static const char *reg_initiator_name(enum nl80211_reg_initiator initiator)
+{
+	switch (initiator) {
+	case NL80211_REGDOM_SET_BY_CORE:
+		return "Set by core";
+	case NL80211_REGDOM_SET_BY_USER:
+		return "Set by user";
+	case NL80211_REGDOM_SET_BY_DRIVER:
+		return "Set by driver";
+	case NL80211_REGDOM_SET_BY_COUNTRY_IE:
+		return "Set by country IE";
+	default:
+		WARN_ON(1);
+		return "Set by bug";
+	}
+}
+
+static void chan_reg_rule_print_dbg(struct ieee80211_channel *chan,
+				    u32 desired_bw_khz,
+				    const struct ieee80211_reg_rule *reg_rule)
+{
+	const struct ieee80211_power_rule *power_rule;
+	const struct ieee80211_freq_range *freq_range;
+	char max_antenna_gain[32];
+
+	power_rule = &reg_rule->power_rule;
+	freq_range = &reg_rule->freq_range;
+
+	if (!power_rule->max_antenna_gain)
+		snprintf(max_antenna_gain, 32, "N/A");
+	else
+		snprintf(max_antenna_gain, 32, "%d", power_rule->max_antenna_gain);
+
+	REG_DBG_PRINT("Updating information on frequency %d MHz "
+		      "for %d a MHz width channel with regulatory rule:\n",
+		      chan->center_freq,
+		      KHZ_TO_MHZ(desired_bw_khz));
+
+	REG_DBG_PRINT("%d KHz - %d KHz @  KHz), (%s mBi, %d mBm)\n",
+		      freq_range->start_freq_khz,
+		      freq_range->end_freq_khz,
+		      max_antenna_gain,
+		      power_rule->max_eirp);
+}
+#else
+static void chan_reg_rule_print_dbg(struct ieee80211_channel *chan,
+				    u32 desired_bw_khz,
+				    const struct ieee80211_reg_rule *reg_rule)
+{
+	return;
+}
+#endif
+
 /*
  * Note that right now we assume the desired channel bandwidth
  * is always 20 MHz for each individual channel (HT40 uses 20 MHz
@@ -720,7 +774,9 @@ EXPORT_SYMBOL(freq_reg_info);
  * on the wiphy with the target_bw specified. Then we can simply use
  * that below for the desired_bw_khz below.
  */
-static void handle_channel(struct wiphy *wiphy, enum ieee80211_band band,
+static void handle_channel(struct wiphy *wiphy,
+			   enum nl80211_reg_initiator initiator,
+			   enum ieee80211_band band,
 			   unsigned int chan_idx)
 {
 	int r;
@@ -748,8 +804,27 @@ static void handle_channel(struct wiphy *wiphy, enum ieee80211_band band,
 			  desired_bw_khz,
 			  &reg_rule);
 
-	if (r)
+	if (r) {
+		/*
+		 * We will disable all channels that do not match our
+		 * recieved regulatory rule unless the hint is coming
+		 * from a Country IE and the Country IE had no information
+		 * about a band. The IEEE 802.11 spec allows for an AP
+		 * to send only a subset of the regulatory rules allowed,
+		 * so an AP in the US that only supports 2.4 GHz may only send
+		 * a country IE with information for the 2.4 GHz band
+		 * while 5 GHz is still supported.
+		 */
+		if (initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE &&
+		    r == -ERANGE)
+			return;
+
+		REG_DBG_PRINT("Disabling freq %d MHz\n", chan->center_freq);
+		chan->flags = IEEE80211_CHAN_DISABLED;
 		return;
+	}
+
+	chan_reg_rule_print_dbg(chan, desired_bw_khz, reg_rule);
 
 	power_rule = &reg_rule->power_rule;
 	freq_range = &reg_rule->freq_range;
@@ -784,7 +859,9 @@ static void handle_channel(struct wiphy *wiphy, enum ieee80211_band band,
 		chan->max_power = (int) MBM_TO_DBM(power_rule->max_eirp);
 }
 
-static void handle_band(struct wiphy *wiphy, enum ieee80211_band band)
+static void handle_band(struct wiphy *wiphy,
+			enum ieee80211_band band,
+			enum nl80211_reg_initiator initiator)
 {
 	unsigned int i;
 	struct ieee80211_supported_band *sband;
@@ -793,24 +870,42 @@ static void handle_band(struct wiphy *wiphy, enum ieee80211_band band)
 	sband = wiphy->bands[band];
 
 	for (i = 0; i < sband->n_channels; i++)
-		handle_channel(wiphy, band, i);
+		handle_channel(wiphy, initiator, band, i);
 }
 
 static bool ignore_reg_update(struct wiphy *wiphy,
 			      enum nl80211_reg_initiator initiator)
 {
-	if (!last_request)
+	if (!last_request) {
+		REG_DBG_PRINT("Ignoring regulatory request %s since "
+			      "last_request is not set\n",
+			      reg_initiator_name(initiator));
 		return true;
+	}
+
 	if (initiator == NL80211_REGDOM_SET_BY_CORE &&
-	    wiphy->flags & WIPHY_FLAG_CUSTOM_REGULATORY)
+	    wiphy->flags & WIPHY_FLAG_CUSTOM_REGULATORY) {
+		REG_DBG_PRINT("Ignoring regulatory request %s "
+			      "since the driver uses its own custom "
+			      "regulatory domain ",
+			      reg_initiator_name(initiator));
 		return true;
+	}
+
 	/*
 	 * wiphy->regd will be set once the device has its own
 	 * desired regulatory domain set
 	 */
 	if (wiphy->flags & WIPHY_FLAG_STRICT_REGULATORY && !wiphy->regd &&
-	    !is_world_regdom(last_request->alpha2))
+	    initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE &&
+	    !is_world_regdom(last_request->alpha2)) {
+		REG_DBG_PRINT("Ignoring regulatory request %s "
+			      "since the driver requires its own regulaotry "
+			      "domain to be set first",
+			      reg_initiator_name(initiator));
 		return true;
+	}
+
 	return false;
 }
 
@@ -1030,7 +1125,7 @@ void wiphy_update_regulatory(struct wiphy *wiphy,
 		goto out;
 	for (band = 0; band < IEEE80211_NUM_BANDS; band++) {
 		if (wiphy->bands[band])
-			handle_band(wiphy, band);
+			handle_band(wiphy, band, initiator);
 	}
 out:
 	reg_process_beacons(wiphy);
@@ -1066,10 +1161,17 @@ static void handle_channel_custom(struct wiphy *wiphy,
 			       regd);
 
 	if (r) {
+		REG_DBG_PRINT("Disabling freq %d MHz as custom "
+			      "regd has no rule that fits a %d MHz "
+			      "wide channel\n",
+			      chan->center_freq,
+			      KHZ_TO_MHZ(desired_bw_khz));
 		chan->flags = IEEE80211_CHAN_DISABLED;
 		return;
 	}
 
+	chan_reg_rule_print_dbg(chan, desired_bw_khz, reg_rule);
+
 	power_rule = &reg_rule->power_rule;
 	freq_range = &reg_rule->freq_range;
 
@@ -1559,7 +1661,7 @@ static void restore_alpha2(char *alpha2, bool reset_user)
 	if (is_user_regdom_saved()) {
 		/* Unless we're asked to ignore it and reset it */
 		if (reset_user) {
-			REG_DBG_PRINT("cfg80211: Restoring regulatory settings "
+			REG_DBG_PRINT("Restoring regulatory settings "
 			       "including user preference\n");
 			user_alpha2[0] = '9';
 			user_alpha2[1] = '7';
@@ -1570,7 +1672,7 @@ static void restore_alpha2(char *alpha2, bool reset_user)
 			 * back as they were for a full restore.
 			 */
 			if (!is_world_regdom(ieee80211_regdom)) {
-				REG_DBG_PRINT("cfg80211: Keeping preference on "
+				REG_DBG_PRINT("Keeping preference on "
 				       "module parameter ieee80211_regdom: %c%c\n",
 				       ieee80211_regdom[0],
 				       ieee80211_regdom[1]);
@@ -1578,7 +1680,7 @@ static void restore_alpha2(char *alpha2, bool reset_user)
 				alpha2[1] = ieee80211_regdom[1];
 			}
 		} else {
-			REG_DBG_PRINT("cfg80211: Restoring regulatory settings "
+			REG_DBG_PRINT("Restoring regulatory settings "
 			       "while preserving user preference for: %c%c\n",
 			       user_alpha2[0],
 			       user_alpha2[1]);
@@ -1586,14 +1688,14 @@ static void restore_alpha2(char *alpha2, bool reset_user)
 			alpha2[1] = user_alpha2[1];
 		}
 	} else if (!is_world_regdom(ieee80211_regdom)) {
-		REG_DBG_PRINT("cfg80211: Keeping preference on "
+		REG_DBG_PRINT("Keeping preference on "
 		       "module parameter ieee80211_regdom: %c%c\n",
 		       ieee80211_regdom[0],
 		       ieee80211_regdom[1]);
 		alpha2[0] = ieee80211_regdom[0];
 		alpha2[1] = ieee80211_regdom[1];
 	} else
-		REG_DBG_PRINT("cfg80211: Restoring regulatory settings\n");
+		REG_DBG_PRINT("Restoring regulatory settings\n");
 }
 
 /*
@@ -1661,7 +1763,7 @@ static void restore_regulatory_settings(bool reset_user)
 
 void regulatory_hint_disconnect(void)
 {
-	REG_DBG_PRINT("cfg80211: All devices are disconnected, going to "
+	REG_DBG_PRINT("All devices are disconnected, going to "
 		      "restore regulatory settings\n");
 	restore_regulatory_settings(false);
 }
@@ -1691,7 +1793,7 @@ int regulatory_hint_found_beacon(struct wiphy *wiphy,
 	if (!reg_beacon)
 		return -ENOMEM;
 
-	REG_DBG_PRINT("cfg80211: Found new beacon on "
+	REG_DBG_PRINT("Found new beacon on "
 		      "frequency: %d MHz (Ch %d) on %s\n",
 		      beacon_chan->center_freq,
 		      ieee80211_frequency_to_channel(beacon_chan->center_freq),