ath9k: optimize rate control statistics

for the ease of debugging, we display only the rate control statistics
for currently operating mode and bandwidth

Cc: Vasanthakumar Thiagarajan <vthiagar@qca.qualcomm.com>
Cc: "Balasubramanian, senthilkumar" <senthilb@qca.qualcomm.com>
Signed-off-by: Mohammed Shafi Shajakhan <mohammed@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c
index c04a6c3cac7f62d3aa88ff186a29b88ee52146a5..9e3649a3d5ca310fa72b08d48aee15783a67334e 100644 (file)
--- a/drivers/net/wireless/ath/ath9k/rc.c
+++ b/drivers/net/wireless/ath/ath9k/rc.c
@@ -1484,7 +1484,7 @@ static ssize_t read_file_rcstat(struct file *file, char __user *user_buf,
        if (rc->rate_table == NULL)
                return 0;
 
-       max = 80 + rc->rate_table->rate_cnt * 1024 + 1;
+       max = 80 + rc->rate_table_size * 1024 + 1;
        buf = kmalloc(max, GFP_KERNEL);
        if (buf == NULL)
                return -ENOMEM;
@@ -1494,7 +1494,7 @@ static ssize_t read_file_rcstat(struct file *file, char __user *user_buf,
                       "HT", "MCS", "Rate",
                       "Success", "Retries", "XRetries", "PER");
 
-       for (i = 0; i < rc->rate_table->rate_cnt; i++) {
+       for (i = 0; i < rc->rate_table_size; i++) {
                u32 ratekbps = rc->rate_table->info[i].ratekbps;
                struct ath_rc_stats *stats = &rc->rcstats[i];
                char mcs[5];