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authorChristophe JAILLET <christophe.jaillet@wanadoo.fr>2022-07-04 21:16:09 +0200
committerJohannes Berg <johannes.berg@intel.com>2022-07-11 10:21:25 +0200
commit37babce9127f3145366a8f36334f24afa9a5d196 (patch)
treea55ca2ae902d5efe776942ee485cb476dcd3cf2f /net
parent68608f9991bdb69472b2217758018896185dd2e2 (diff)
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 <christophe.jaillet@wanadoo.fr> Link: https://lore.kernel.org/r/dfb438a6a199ee4c95081fa01bd758fd30e50931.1656962156.git.christophe.jaillet@wanadoo.fr Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net')
-rw-r--r--net/mac80211/mesh_plink.c5
1 files 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;