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Merge remote-tracking branch 'wireless-next/master' into mac80211-next

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This commit is contained in:
Johannes Berg
2013-04-22 15:31:43 +02:00
parent 97990a060e 9b38367245
commit a42c74ee60
519 changed files with 36506 additions and 8320 deletions
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17
net/mac80211/chan.c
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@@ -79,6 +79,7 @@ ieee80211_new_chanctx(struct ieee80211_local *local,
enum ieee80211_chanctx_mode mode)
{
struct ieee80211_chanctx *ctx;
u32 changed;
int err;
lockdep_assert_held(&local->chanctx_mtx);
@@ -95,6 +96,13 @@ ieee80211_new_chanctx(struct ieee80211_local *local,
if (!local->use_chanctx)
local->hw.conf.radar_enabled = ctx->conf.radar_enabled;
/* acquire mutex to prevent idle from changing */
mutex_lock(&local->mtx);
/* turn idle off *before* setting channel -- some drivers need that */
changed = ieee80211_idle_off(local);
if (changed)
ieee80211_hw_config(local, changed);
if (!local->use_chanctx) {
local->_oper_chandef = *chandef;
ieee80211_hw_config(local, 0);
@@ -102,14 +110,17 @@ ieee80211_new_chanctx(struct ieee80211_local *local,
err = drv_add_chanctx(local, ctx);
if (err) {
kfree(ctx);
return ERR_PTR(err);
ctx = ERR_PTR(err);
ieee80211_recalc_idle(local);
goto out;
}
}
/* and keep the mutex held until the new chanctx is on the list */
list_add_rcu(&ctx->list, &local->chanctx_list);
mutex_lock(&local->mtx);
ieee80211_recalc_idle(local);
out:
mutex_unlock(&local->mtx);
return ctx;