Commit 37babce9 authored by Christophe JAILLET's avatar Christophe JAILLET Committed by Johannes Berg
Browse files

wifi: mac80211: Use the bitmap API to allocate bitmaps 



Use bitmap_zalloc()/bitmap_free() instead of hand-writing them.

It is less verbose and it improves the semantic.

Signed-off-by: default avatarChristophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/dfb438a6a199ee4c95081fa01bd758fd30e50931.1656962156.git.christophe.jaillet@wanadoo.fr


Signed-off-by: default avatarJohannes Berg <johannes.berg@intel.com>
parent 68608f99

net/mac80211/mesh_plink.c

+2 −3
Original line number Diff line number Diff line
@@ -477,8 +477,7 @@ static int mesh_allocate_aid(struct ieee80211_sub_if_data *sdata) 
	unsigned long *aid_map;

	int aid;



	aid_map = kcalloc(BITS_TO_LONGS(IEEE80211_MAX_AID + 1),

			  sizeof(*aid_map), GFP_KERNEL);

	aid_map = bitmap_zalloc(IEEE80211_MAX_AID + 1, GFP_KERNEL);

	if (!aid_map)

		return -ENOMEM;
@@ -491,7 +490,7 @@ static int mesh_allocate_aid(struct ieee80211_sub_if_data *sdata) 
	rcu_read_unlock();



	aid = find_first_zero_bit(aid_map, IEEE80211_MAX_AID + 1);

	kfree(aid_map);

	bitmap_free(aid_map);



	if (aid > IEEE80211_MAX_AID)

		return -ENOBUFS;