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authorOlof Johansson <olof@lixom.net>2013-04-28 12:43:08 -0700
committerOlof Johansson <olof@lixom.net>2013-04-28 15:01:12 -0700
commitafcf7924ecab726dab0227188783c4a40d9f0eec (patch)
tree606b0883c0ad3fb2ef04f0f036a55ed3875fdc9b /net/mac80211/chan.c
parentdc9c220304c882f06aaadf427821c6388782aab8 (diff)
parentd21be237ffa357e55005e2bf9ffef10b23c184d0 (diff)
Merge branch 'fixes' into next/cleanup
Merging in fixes since there's a conflict in the omap4 clock tables caused by it. * fixes: (245 commits) ARM: highbank: fix cache flush ordering for cpu hotplug ARM: OMAP4: hwmod data: make 'ocp2scp_usb_phy_phy_48m" as the main clock arm: mvebu: Fix the irq map function in SMP mode Fix GE0/GE1 init on ix2-200 as GE0 has no PHY ARM: S3C24XX: Fix interrupt pending register offset of the EINT controller ARM: S3C24XX: Correct NR_IRQS definition for s3c2440 ARM i.MX6: Fix ldb_di clock selection ARM: imx: provide twd clock lookup from device tree ARM: imx35 Bugfix admux clock ARM: clk-imx35: Bugfix iomux clock + Linux 3.9-rc6 Signed-off-by: Olof Johansson <olof@lixom.net> Conflicts: arch/arm/mach-omap2/cclock44xx_data.c
Diffstat (limited to 'net/mac80211/chan.c')
-rw-r--r--net/mac80211/chan.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c
index 78c0d90dd641..931be419ab5a 100644
--- a/net/mac80211/chan.c
+++ b/net/mac80211/chan.c
@@ -63,6 +63,7 @@ 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);
@@ -76,6 +77,13 @@ ieee80211_new_chanctx(struct ieee80211_local *local,
ctx->conf.rx_chains_dynamic = 1;
ctx->mode = mode;
+ /* 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_channel_type =
cfg80211_get_chandef_type(chandef);
@@ -85,14 +93,17 @@ 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;