package/kernel/mac80211/patches/subsys/370-mac80211-minstrel-remove-unnecessary-debugfs-cleanup.patch

   1 From: Felix Fietkau <nbd@nbd.name>
   2 Date: Sat, 10 Feb 2018 12:41:51 +0100
   3 Subject: [PATCH] mac80211: minstrel: remove unnecessary debugfs cleanup
   4  code
   5
   6 debugfs entries are cleaned up by debugfs_remove_recursive already.
   7
   8 Signed-off-by: Felix Fietkau <nbd@nbd.name>
   9 ---
  10
  11 Index: backports-v4.18-rc7/net/mac80211/rc80211_minstrel.c
  12 ===================================================================
  13 --- backports-v4.18-rc7.orig/net/mac80211/rc80211_minstrel.c
  14 +++ backports-v4.18-rc7/net/mac80211/rc80211_minstrel.c
  15 @@ -689,8 +689,8 @@ minstrel_alloc(struct ieee80211_hw *hw,
  16
  17  #ifdef CPTCFG_MAC80211_DEBUGFS
  18         mp->fixed_rate_idx = (u32) -1;
  19 -       mp->dbg_fixed_rate = debugfs_create_u32("fixed_rate_idx",
  20 -                       0666, debugfsdir, &mp->fixed_rate_idx);
  21 +       debugfs_create_u32("fixed_rate_idx", S_IRUGO | S_IWUGO, debugfsdir,
  22 +                          &mp->fixed_rate_idx);
  23  #endif
  24
  25         minstrel_init_cck_rates(mp);
  26 @@ -701,9 +701,6 @@ minstrel_alloc(struct ieee80211_hw *hw,
  27  static void
  28  minstrel_free(void *priv)
  29  {
  30 -#ifdef CPTCFG_MAC80211_DEBUGFS
  31 -       debugfs_remove(((struct minstrel_priv *)priv)->dbg_fixed_rate);
  32 -#endif
  33         kfree(priv);
  34  }
  35
  36 @@ -735,7 +732,6 @@ const struct rate_control_ops mac80211_m
  37         .free_sta = minstrel_free_sta,
  38  #ifdef CPTCFG_MAC80211_DEBUGFS
  39         .add_sta_debugfs = minstrel_add_sta_debugfs,
  40 -       .remove_sta_debugfs = minstrel_remove_sta_debugfs,
  41  #endif
  42         .get_expected_throughput = minstrel_get_expected_throughput,
  43  };
  44 Index: backports-v4.18-rc7/net/mac80211/rc80211_minstrel.h
  45 ===================================================================
  46 --- backports-v4.18-rc7.orig/net/mac80211/rc80211_minstrel.h
  47 +++ backports-v4.18-rc7/net/mac80211/rc80211_minstrel.h
  48 @@ -109,11 +109,6 @@ struct minstrel_sta_info {
  49
  50         /* sampling table */
  51         u8 *sample_table;
  52 -
  53 -#ifdef CPTCFG_MAC80211_DEBUGFS
  54 -       struct dentry *dbg_stats;
  55 -       struct dentry *dbg_stats_csv;
  56 -#endif
  57  };
  58
  59  struct minstrel_priv {
  60 @@ -137,7 +132,6 @@ struct minstrel_priv {
  61          *   - setting will be applied on next update
  62          */
  63         u32 fixed_rate_idx;
  64 -       struct dentry *dbg_fixed_rate;
  65  #endif
  66  };
  67
  68 @@ -156,7 +150,6 @@ minstrel_get_ewmsd10(struct minstrel_rat
  69
  70  extern const struct rate_control_ops mac80211_minstrel;
  71  void minstrel_add_sta_debugfs(void *priv, void *priv_sta, struct dentry *dir);
  72 -void minstrel_remove_sta_debugfs(void *priv, void *priv_sta);
  73
  74  /* Recalculate success probabilities and counters for a given rate using EWMA */
  75  void minstrel_calc_rate_stats(struct minstrel_rate_stats *mrs);
  76 Index: backports-v4.18-rc7/net/mac80211/rc80211_minstrel_debugfs.c
  77 ===================================================================
  78 --- backports-v4.18-rc7.orig/net/mac80211/rc80211_minstrel_debugfs.c
  79 +++ backports-v4.18-rc7/net/mac80211/rc80211_minstrel_debugfs.c
  80 @@ -214,19 +214,7 @@ minstrel_add_sta_debugfs(void *priv, voi
  81  {
  82         struct minstrel_sta_info *mi = priv_sta;
  83
  84 -       mi->dbg_stats = debugfs_create_file("rc_stats", 0444, dir, mi,
  85 -                                           &minstrel_stat_fops);
  86 -
  87 -       mi->dbg_stats_csv = debugfs_create_file("rc_stats_csv", 0444, dir, mi,
  88 -                                               &minstrel_stat_csv_fops);
  89 -}
  90 -
  91 -void
  92 -minstrel_remove_sta_debugfs(void *priv, void *priv_sta)
  93 -{
  94 -       struct minstrel_sta_info *mi = priv_sta;
  95 -
  96 -       debugfs_remove(mi->dbg_stats);
  97 -
  98 -       debugfs_remove(mi->dbg_stats_csv);
  99 +       debugfs_create_file("rc_stats", S_IRUGO, dir, mi, &minstrel_stat_fops);
 100 +       debugfs_create_file("rc_stats_csv", S_IRUGO, dir, mi,
 101 +                           &minstrel_stat_csv_fops);
 102  }
 103 Index: backports-v4.18-rc7/net/mac80211/rc80211_minstrel_ht.c
 104 ===================================================================
 105 --- backports-v4.18-rc7.orig/net/mac80211/rc80211_minstrel_ht.c
 106 +++ backports-v4.18-rc7/net/mac80211/rc80211_minstrel_ht.c
 107 @@ -1393,7 +1393,6 @@ static const struct rate_control_ops mac
 108         .free = minstrel_ht_free,
 109  #ifdef CPTCFG_MAC80211_DEBUGFS
 110         .add_sta_debugfs = minstrel_ht_add_sta_debugfs,
 111 -       .remove_sta_debugfs = minstrel_ht_remove_sta_debugfs,
 112  #endif
 113         .get_expected_throughput = minstrel_ht_get_expected_throughput,
 114  };
 115 Index: backports-v4.18-rc7/net/mac80211/rc80211_minstrel_ht.h
 116 ===================================================================
 117 --- backports-v4.18-rc7.orig/net/mac80211/rc80211_minstrel_ht.h
 118 +++ backports-v4.18-rc7/net/mac80211/rc80211_minstrel_ht.h
 119 @@ -110,17 +110,12 @@ struct minstrel_ht_sta_priv {
 120                 struct minstrel_ht_sta ht;
 121                 struct minstrel_sta_info legacy;
 122         };
 123 -#ifdef CPTCFG_MAC80211_DEBUGFS
 124 -       struct dentry *dbg_stats;
 125 -       struct dentry *dbg_stats_csv;
 126 -#endif
 127         void *ratelist;
 128         void *sample_table;
 129         bool is_ht;
 130  };
 131
 132  void minstrel_ht_add_sta_debugfs(void *priv, void *priv_sta, struct dentry *dir);
 133 -void minstrel_ht_remove_sta_debugfs(void *priv, void *priv_sta);
 134  int minstrel_ht_get_tp_avg(struct minstrel_ht_sta *mi, int group, int rate,
 135                            int prob_ewma);
 136
 137 Index: backports-v4.18-rc7/net/mac80211/rc80211_minstrel_ht_debugfs.c
 138 ===================================================================
 139 --- backports-v4.18-rc7.orig/net/mac80211/rc80211_minstrel_ht_debugfs.c
 140 +++ backports-v4.18-rc7/net/mac80211/rc80211_minstrel_ht_debugfs.c
 141 @@ -303,17 +303,8 @@ minstrel_ht_add_sta_debugfs(void *priv,
 142  {
 143         struct minstrel_ht_sta_priv *msp = priv_sta;
 144
 145 -       msp->dbg_stats = debugfs_create_file("rc_stats", 0444, dir, msp,
 146 -                                            &minstrel_ht_stat_fops);
 147 -       msp->dbg_stats_csv = debugfs_create_file("rc_stats_csv", 0444, dir, msp,
 148 -                                                &minstrel_ht_stat_csv_fops);
 149 -}
 150 -
 151 -void
 152 -minstrel_ht_remove_sta_debugfs(void *priv, void *priv_sta)
 153 -{
 154 -       struct minstrel_ht_sta_priv *msp = priv_sta;
 155 -
 156 -       debugfs_remove(msp->dbg_stats);
 157 -       debugfs_remove(msp->dbg_stats_csv);
 158 +       debugfs_create_file("rc_stats", S_IRUGO, dir, msp,
 159 +                           &minstrel_ht_stat_fops);
 160 +       debugfs_create_file("rc_stats_csv", S_IRUGO, dir, msp,
 161 +                           &minstrel_ht_stat_csv_fops);
 162  }