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ath9k: Fill remove_sta_debugfs() callback

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Remove the rate control statistics debugfs file properly
via remove_sta_debugfs(). Also, check for both MAC80211_DEBUGFS
and ATH9K_DEBUGFS config options.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Sujith Manoharan 2012-11-21 18:13:13 +05:30 committed by John W. Linville
parent c0b74876ee
commit 1c11e10b6a
2 changed files with 15 additions and 4 deletions
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17
drivers/net/wireless/ath/ath9k/rc.c
View file

@ -1350,7 +1350,7 @@ static void ath_rate_update(void *priv, struct ieee80211_supported_band *sband,
}
}
#ifdef CONFIG_ATH9K_DEBUGFS
#if defined(CONFIG_MAC80211_DEBUGFS) && defined(CONFIG_ATH9K_DEBUGFS)
static ssize_t read_file_rcstat(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
@ -1428,10 +1428,17 @@ static void ath_rate_add_sta_debugfs(void *priv, void *priv_sta,
struct dentry *dir)
{
struct ath_rate_priv *rc = priv_sta;
debugfs_create_file("rc_stats", S_IRUGO, dir, rc, &fops_rcstat);
rc->debugfs_rcstats = debugfs_create_file("rc_stats", S_IRUGO,
dir, rc, &fops_rcstat);
}
#endif /* CONFIG_ATH9K_DEBUGFS */
static void ath_rate_remove_sta_debugfs(void *priv, void *priv_sta)
{
struct ath_rate_priv *rc = priv_sta;
debugfs_remove(rc->debugfs_rcstats);
}
#endif /* CONFIG_MAC80211_DEBUGFS && CONFIG_ATH9K_DEBUGFS */
static void *ath_rate_alloc(struct ieee80211_hw *hw, struct dentry *debugfsdir)
{
@ -1476,8 +1483,10 @@ static struct rate_control_ops ath_rate_ops = {
.free = ath_rate_free,
.alloc_sta = ath_rate_alloc_sta,
.free_sta = ath_rate_free_sta,
#ifdef CONFIG_ATH9K_DEBUGFS
#if defined(CONFIG_MAC80211_DEBUGFS) && defined(CONFIG_ATH9K_DEBUGFS)
.add_sta_debugfs = ath_rate_add_sta_debugfs,
.remove_sta_debugfs = ath_rate_remove_sta_debugfs,
#endif
};

2
drivers/net/wireless/ath/ath9k/rc.h
View file

@ -211,7 +211,9 @@ struct ath_rate_priv {
struct ath_rateset neg_ht_rates;
const struct ath_rate_table *rate_table;
#if defined(CONFIG_MAC80211_DEBUGFS) && defined(CONFIG_ATH9K_DEBUGFS)
struct dentry *debugfs_rcstats;
#endif
struct ath_rc_stats rcstats[RATE_TABLE_SIZE];
};