mac80211: convert to idr_alloc()

Convert to the much saner new idr interface.

Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 0 insertions, 2 deletions

diff --git a/net/mac80211/main.c b/net/mac80211/main.c
index d0dd11153a6c..1a8591b77a13 100644
--- a/net/mac80211/main.c
+++ b/net/mac80211/main.c
@@ -647,8 +647,6 @@ 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);