Convert to the much saner new idr interface.
Only compile tested.
Signed-off-by: Tejun Heo <t...@kernel.org>
Cc: Johannes Berg <johan...@sipsolutions.net>
Cc: linux-wirel...@vger.kernel.org
---
This patch depends on an earlier idr changes and I think it would be
best to route these together through -mm. Please holler if there's
any objection. Thanks.
net/mac80211/main.c | 2 --
net/mac80211/tx.c | 18 ++++--------------
2 files changed, 4 insertions(+), 16 deletions(-)
diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index 1b087ff..7b5bbea 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -687,8 +687,6 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t
priv_data_len,
spin_lock_init(&local->ack_status_lock);
idr_init(&local->ack_status_frames);
- /* preallocate at least one entry */
- idr_pre_get(&local->ack_status_frames, GFP_KERNEL);
sta_info_init(local);
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index e9eadc4..73eb6c1 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1996,24 +1996,14 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff
*skb,
skb = skb_clone(skb, GFP_ATOMIC);
if (skb) {
unsigned long flags;
- int id, r;
+ int id;
spin_lock_irqsave(&local->ack_status_lock, flags);
- r = idr_get_new_above(&local->ack_status_frames,
- orig_skb, 1, &id);
- if (r == -EAGAIN) {
- idr_pre_get(&local->ack_status_frames,
- GFP_ATOMIC);
- r = idr_get_new_above(&local->ack_status_frames,
- orig_skb, 1, &id);
- }
- if (WARN_ON(!id) || id > 0xffff) {
- idr_remove(&local->ack_status_frames, id);
- r = -ERANGE;
- }
+ id = idr_alloc(&local->ack_status_frames, orig_skb,
+ 1, 0x10000, GFP_ATOMIC);
spin_unlock_irqrestore(&local->ack_status_lock, flags);
- if (!r) {
+ if (id >= 0) {
info_id = id;
info_flags |= IEEE80211_TX_CTL_REQ_TX_STATUS;
} else if (skb_shared(skb)) {
--
1.8.1
--
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