From 1c11e10b6a64f14427be518ccc2a242b73fc3d9f Mon Sep 17 00:00:00 2001 From: Sujith Manoharan Date: Wed, 21 Nov 2012 18:13:13 +0530 Subject: [PATCH] ath9k: Fill remove_sta_debugfs() callback 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 Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/rc.c | 17 +++++++++++++---- drivers/net/wireless/ath/ath9k/rc.h | 2 ++ 2 files changed, 15 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/rc.c b/drivers/net/wireless/ath/ath9k/rc.c index 27ed80b..004f016 100644 --- a/drivers/net/wireless/ath/ath9k/rc.c +++ b/drivers/net/wireless/ath/ath9k/rc.c @@ -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 }; diff --git a/drivers/net/wireless/ath/ath9k/rc.h b/drivers/net/wireless/ath/ath9k/rc.h index 268e67d..528c83c 100644 --- a/drivers/net/wireless/ath/ath9k/rc.h +++ b/drivers/net/wireless/ath/ath9k/rc.h @@ -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]; }; -- 2.7.4