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authorLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 07:55:01 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-12-08 07:55:01 -0800
commitd7fc02c7bae7b1cf69269992cf880a43a350cdaa (patch)
treea43d56fa72913a1cc98a0bbebe054d08581b3a7c /net/mac80211/rate.c
parentee1262dbc65ce0b6234a915d8432171e8d77f518 (diff)
parent28b4d5cc17c20786848cdc07b7ea237a309776bb (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1815 commits) mac80211: fix reorder buffer release iwmc3200wifi: Enable wimax core through module parameter iwmc3200wifi: Add wifi-wimax coexistence mode as a module parameter iwmc3200wifi: Coex table command does not expect a response iwmc3200wifi: Update wiwi priority table iwlwifi: driver version track kernel version iwlwifi: indicate uCode type when fail dump error/event log iwl3945: remove duplicated event logging code b43: fix two warnings ipw2100: fix rebooting hang with driver loaded cfg80211: indent regulatory messages with spaces iwmc3200wifi: fix NULL pointer dereference in pmkid update mac80211: Fix TX status reporting for injected data frames ath9k: enable 2GHz band only if the device supports it airo: Fix integer overflow warning rt2x00: Fix padding bug on L2PAD devices. WE: Fix set events not propagated b43legacy: avoid PPC fault during resume b43: avoid PPC fault during resume tcp: fix a timewait refcnt race ... Fix up conflicts due to sysctl cleanups (dead sysctl_check code and CTL_UNNUMBERED removed) in kernel/sysctl_check.c net/ipv4/sysctl_net_ipv4.c net/ipv6/addrconf.c net/sctp/sysctl.c
Diffstat (limited to 'net/mac80211/rate.c')
-rw-r--r--net/mac80211/rate.c19
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);
}