diff options
Diffstat (limited to 'net/mac80211/rate.c')
| -rw-r--r-- | net/mac80211/rate.c | 19 |
1 files changed, 13 insertions, 6 deletions
diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c index b33efc4fc267..b9007f80cb92 100644 --- a/net/mac80211/rate.c +++ b/net/mac80211/rate.c @@ -163,8 +163,7 @@ struct rate_control_ref *rate_control_alloc(const char *name, #ifdef CONFIG_MAC80211_DEBUGFS debugfsdir = debugfs_create_dir("rc", local->hw.wiphy->debugfsdir); local->debugfs.rcdir = debugfsdir; - local->debugfs.rcname = debugfs_create_file("name", 0400, debugfsdir, - ref, &rcname_ops); + debugfs_create_file("name", 0400, debugfsdir, ref, &rcname_ops); #endif ref->priv = ref->ops->alloc(&local->hw, debugfsdir); @@ -188,9 +187,7 @@ static void rate_control_release(struct kref *kref) ctrl_ref->ops->free(ctrl_ref->priv); #ifdef CONFIG_MAC80211_DEBUGFS - debugfs_remove(ctrl_ref->local->debugfs.rcname); - ctrl_ref->local->debugfs.rcname = NULL; - debugfs_remove(ctrl_ref->local->debugfs.rcdir); + debugfs_remove_recursive(ctrl_ref->local->debugfs.rcdir); ctrl_ref->local->debugfs.rcdir = NULL; #endif @@ -287,9 +284,16 @@ int ieee80211_init_rate_ctrl_alg(struct ieee80211_local *local, struct rate_control_ref *ref, *old; ASSERT_RTNL(); + if (local->open_count) return -EBUSY; + if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) { + if (WARN_ON(!local->ops->set_rts_threshold)) + return -EINVAL; + return 0; + } + ref = rate_control_alloc(name, local); if (!ref) { printk(KERN_WARNING "%s: Failed to select rate control " @@ -308,7 +312,6 @@ int ieee80211_init_rate_ctrl_alg(struct ieee80211_local *local, "algorithm '%s'\n", wiphy_name(local->hw.wiphy), ref->ops->name); - return 0; } @@ -317,6 +320,10 @@ void rate_control_deinitialize(struct ieee80211_local *local) struct rate_control_ref *ref; ref = local->rate_ctrl; + + if (!ref) + return; + local->rate_ctrl = NULL; rate_control_put(ref); } |