[PATCH] wifi: mac80211: Use the bitmap API to allocate bitmaps
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LANDED
From: Christophe JAILLET <hidden>
Date: 2022-07-04 19:16:18
Also in:
kernel-janitors, linux-wireless, lkml
Subsystem:
mac80211, the rest · Maintainers:
Johannes Berg, Linus Torvalds
Status: Landed in mainline as 37babce9127f on 2022-07-11.
Use bitmap_zalloc()/bitmap_free() instead of hand-writing them. It is less verbose and it improves the semantic. Signed-off-by: Christophe JAILLET <redacted> --- 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