Use bitmap_zalloc()/bitmap_free() instead of hand-writing them. It is less verbose and it improves the semantic. Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> --- net/mac80211/mesh_plink.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/net/mac80211/mesh_plink.c b/net/mac80211/mesh_plink.c index 55bed9ce98fe..d67011745048 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; -- 2.34.1