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path: root/drivers/net/wireless/p54/eeprom.c
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Diffstat (limited to 'drivers/net/wireless/p54/eeprom.c')
-rw-r--r--drivers/net/wireless/p54/eeprom.c27
1 files changed, 25 insertions, 2 deletions
diff --git a/drivers/net/wireless/p54/eeprom.c b/drivers/net/wireless/p54/eeprom.c
index 54cc0bb..fa8ce51 100644
--- a/drivers/net/wireless/p54/eeprom.c
+++ b/drivers/net/wireless/p54/eeprom.c
@@ -24,6 +24,7 @@
#include <net/mac80211.h>
#include <linux/crc-ccitt.h>
+#include <linux/export.h>
#include "p54.h"
#include "eeprom.h"
@@ -145,6 +146,7 @@ static int p54_fill_band_bitrates(struct ieee80211_hw *dev,
static int p54_generate_band(struct ieee80211_hw *dev,
struct p54_channel_list *list,
+ unsigned int *chan_num,
enum ieee80211_band band)
{
struct p54_common *priv = dev->priv;
@@ -190,7 +192,14 @@ static int p54_generate_band(struct ieee80211_hw *dev,
tmp->channels[j].band = chan->band;
tmp->channels[j].center_freq = chan->freq;
+ priv->survey[*chan_num].channel = &tmp->channels[j];
+ priv->survey[*chan_num].filled = SURVEY_INFO_NOISE_DBM |
+ SURVEY_INFO_CHANNEL_TIME |
+ SURVEY_INFO_CHANNEL_TIME_BUSY |
+ SURVEY_INFO_CHANNEL_TIME_TX;
+ tmp->channels[j].hw_value = (*chan_num);
j++;
+ (*chan_num)++;
}
if (j == 0) {
@@ -263,7 +272,7 @@ static int p54_generate_channel_lists(struct ieee80211_hw *dev)
{
struct p54_common *priv = dev->priv;
struct p54_channel_list *list;
- unsigned int i, j, max_channel_num;
+ unsigned int i, j, k, max_channel_num;
int ret = 0;
u16 freq;
@@ -283,6 +292,13 @@ static int p54_generate_channel_lists(struct ieee80211_hw *dev)
ret = -ENOMEM;
goto free;
}
+ priv->chan_num = max_channel_num;
+ priv->survey = kzalloc(sizeof(struct survey_info) * max_channel_num,
+ GFP_KERNEL);
+ if (!priv->survey) {
+ ret = -ENOMEM;
+ goto free;
+ }
list->max_entries = max_channel_num;
list->channels = kzalloc(sizeof(struct p54_channel_entry) *
@@ -321,8 +337,9 @@ static int p54_generate_channel_lists(struct ieee80211_hw *dev)
sort(list->channels, list->entries, sizeof(struct p54_channel_entry),
p54_compare_channels, NULL);
+ k = 0;
for (i = 0, j = 0; i < IEEE80211_NUM_BANDS; i++) {
- if (p54_generate_band(dev, list, i) == 0)
+ if (p54_generate_band(dev, list, &k, i) == 0)
j++;
}
if (j == 0) {
@@ -335,6 +352,10 @@ free:
kfree(list->channels);
kfree(list);
}
+ if (ret) {
+ kfree(priv->survey);
+ priv->survey = NULL;
+ }
return ret;
}
@@ -853,10 +874,12 @@ err:
kfree(priv->output_limit);
kfree(priv->curve_data);
kfree(priv->rssi_db);
+ kfree(priv->survey);
priv->iq_autocal = NULL;
priv->output_limit = NULL;
priv->curve_data = NULL;
priv->rssi_db = NULL;
+ priv->survey = NULL;
wiphy_err(dev->wiphy, "eeprom parse failed!\n");
return err;