From: Christophe JAILLET Date: Mon, 4 Jul 2022 19:16:09 +0000 (+0200) Subject: wifi: mac80211: Use the bitmap API to allocate bitmaps X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=37babce9127f3145366a8f36334f24afa9a5d196;p=linux.git 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: Christophe JAILLET Link: https://lore.kernel.org/r/dfb438a6a199ee4c95081fa01bd758fd30e50931.1656962156.git.christophe.jaillet@wanadoo.fr Signed-off-by: Johannes Berg --- diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c index 55bed9ce98fe4..d67011745048f 100644 --- a/net/mac80211/mesh_plink.c +++ b/net/mac80211/mesh_plink.c @@ -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;