114 lines
3.8 KiB
Diff
114 lines
3.8 KiB
Diff
Subject: mac80211: clean up ieee80211_hw_config errors
|
|
|
|
Warn when ieee80211_hw_config returns an error, it shouldn't
|
|
happen; remove a number of printks that would happen in such
|
|
a case and one printk that is user-triggerable.
|
|
|
|
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
|
|
---
|
|
net/mac80211/cfg.c | 3 +--
|
|
net/mac80211/main.c | 8 +++++++-
|
|
net/mac80211/scan.c | 16 +++-------------
|
|
net/mac80211/util.c | 5 +----
|
|
net/mac80211/wext.c | 6 +-----
|
|
5 files changed, 13 insertions(+), 25 deletions(-)
|
|
|
|
--- everything.orig/net/mac80211/cfg.c 2008-10-07 20:06:42.000000000 +0200
|
|
+++ everything/net/mac80211/cfg.c 2008-10-07 20:06:43.000000000 +0200
|
|
@@ -396,8 +396,7 @@ static int ieee80211_config_beacon(struc
|
|
*/
|
|
if (params->interval) {
|
|
sdata->local->hw.conf.beacon_int = params->interval;
|
|
- if (ieee80211_hw_config(sdata->local))
|
|
- return -EINVAL;
|
|
+ ieee80211_hw_config(sdata->local);
|
|
/*
|
|
* We updated some parameter so if below bails out
|
|
* it's not an error.
|
|
--- everything.orig/net/mac80211/main.c 2008-10-07 20:06:41.000000000 +0200
|
|
+++ everything/net/mac80211/main.c 2008-10-07 20:06:43.000000000 +0200
|
|
@@ -222,8 +222,14 @@ int ieee80211_hw_config(struct ieee80211
|
|
wiphy_name(local->hw.wiphy), chan->center_freq);
|
|
#endif
|
|
|
|
- if (local->open_count)
|
|
+ if (local->open_count) {
|
|
ret = local->ops->config(local_to_hw(local), &local->hw.conf);
|
|
+ /*
|
|
+ * HW reconfiguration should never fail, the driver has told
|
|
+ * us what it can support so it should live up to that promise.
|
|
+ */
|
|
+ WARN_ON(ret);
|
|
+ }
|
|
|
|
return ret;
|
|
}
|
|
--- everything.orig/net/mac80211/scan.c 2008-10-07 20:05:27.000000000 +0200
|
|
+++ everything/net/mac80211/scan.c 2008-10-07 20:06:43.000000000 +0200
|
|
@@ -447,18 +447,12 @@ void ieee80211_scan_completed(struct iee
|
|
|
|
if (local->hw_scanning) {
|
|
local->hw_scanning = false;
|
|
- if (ieee80211_hw_config(local))
|
|
- printk(KERN_DEBUG "%s: failed to restore operational "
|
|
- "channel after scan\n", wiphy_name(local->hw.wiphy));
|
|
-
|
|
+ ieee80211_hw_config(local);
|
|
goto done;
|
|
}
|
|
|
|
local->sw_scanning = false;
|
|
- if (ieee80211_hw_config(local))
|
|
- printk(KERN_DEBUG "%s: failed to restore operational "
|
|
- "channel after scan\n", wiphy_name(local->hw.wiphy));
|
|
-
|
|
+ ieee80211_hw_config(local);
|
|
|
|
netif_tx_lock_bh(local->mdev);
|
|
netif_addr_lock(local->mdev);
|
|
@@ -545,12 +539,8 @@ void ieee80211_scan_work(struct work_str
|
|
|
|
if (!skip) {
|
|
local->scan_channel = chan;
|
|
- if (ieee80211_hw_config(local)) {
|
|
- printk(KERN_DEBUG "%s: failed to set freq to "
|
|
- "%d MHz for scan\n", wiphy_name(local->hw.wiphy),
|
|
- chan->center_freq);
|
|
+ if (ieee80211_hw_config(local))
|
|
skip = 1;
|
|
- }
|
|
}
|
|
|
|
/* advance state machine to next channel/band */
|
|
--- everything.orig/net/mac80211/util.c 2008-10-07 20:05:27.000000000 +0200
|
|
+++ everything/net/mac80211/util.c 2008-10-07 20:06:43.000000000 +0200
|
|
@@ -638,11 +638,8 @@ int ieee80211_set_freq(struct ieee80211_
|
|
|
|
if (chan && !(chan->flags & IEEE80211_CHAN_DISABLED)) {
|
|
if (sdata->vif.type == NL80211_IFTYPE_ADHOC &&
|
|
- chan->flags & IEEE80211_CHAN_NO_IBSS) {
|
|
- printk(KERN_DEBUG "%s: IBSS not allowed on frequency "
|
|
- "%d MHz\n", sdata->dev->name, chan->center_freq);
|
|
+ chan->flags & IEEE80211_CHAN_NO_IBSS)
|
|
return ret;
|
|
- }
|
|
local->oper_channel = chan;
|
|
|
|
if (local->sw_scanning || local->hw_scanning)
|
|
--- everything.orig/net/mac80211/wext.c 2008-10-07 20:05:27.000000000 +0200
|
|
+++ everything/net/mac80211/wext.c 2008-10-07 20:06:43.000000000 +0200
|
|
@@ -689,12 +689,8 @@ static int ieee80211_ioctl_siwtxpower(st
|
|
ieee80211_led_radio(local, local->hw.conf.radio_enabled);
|
|
}
|
|
|
|
- if (need_reconfig) {
|
|
+ if (need_reconfig)
|
|
ieee80211_hw_config(local);
|
|
- /* The return value of hw_config is not of big interest here,
|
|
- * as it doesn't say that it failed because of _this_ config
|
|
- * change or something else. Ignore it. */
|
|
- }
|
|
|
|
return 0;
|
|
}
|