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authorJakub Kicinski <kuba@kernel.org>2025-06-25 10:26:16 -0700
committerJakub Kicinski <kuba@kernel.org>2025-06-25 10:26:16 -0700
commit010c40c1f50eecab3cdeaa895808294ad0c4f000 (patch)
tree34c40fa0bbf12bc77b693966c1ed1561e6daf846 /net
parentbnxt: properly flush XDP redirect lists (diff)
parentMerge tag 'iwlwifi-fixes-2025-06-25' of https://git.kernel.org/pub/scm/linux/... (diff)
downloadlinux-010c40c1f50eecab3cdeaa895808294ad0c4f000.tar.gz
linux-010c40c1f50eecab3cdeaa895808294ad0c4f000.zip
Merge tag 'wireless-2025-06-25' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless
Johannes Berg says: ==================== Just a few fixes: - iwlegacy: work around large stack with clang/kasan - mac80211: fix integer overflow - mac80211: fix link struct init vs. RCU publish - iwlwifi: fix warning on IFF_UP * tag 'wireless-2025-06-25' of https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless: wifi: mac80211: finish link init before RCU publish wifi: iwlwifi: mvm: assume '1' as the default mac_config_cmd version wifi: mac80211: fix beacon interval calculation overflow wifi: iwlegacy: work around excessive stack usage on clang/kasan ==================== Link: https://patch.msgid.link/20250625115433.41381-3-johannes@sipsolutions.net Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net')
-rw-r--r--net/mac80211/link.c6
-rw-r--r--net/mac80211/util.c2
2 files changed, 4 insertions, 4 deletions
diff --git a/net/mac80211/link.c b/net/mac80211/link.c
index d40c2bd3b50b..4f7b7d0f64f2 100644
--- a/net/mac80211/link.c
+++ b/net/mac80211/link.c
@@ -93,9 +93,6 @@ void ieee80211_link_init(struct ieee80211_sub_if_data *sdata,
if (link_id < 0)
link_id = 0;
- rcu_assign_pointer(sdata->vif.link_conf[link_id], link_conf);
- rcu_assign_pointer(sdata->link[link_id], link);
-
if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN) {
struct ieee80211_sub_if_data *ap_bss;
struct ieee80211_bss_conf *ap_bss_conf;
@@ -145,6 +142,9 @@ void ieee80211_link_init(struct ieee80211_sub_if_data *sdata,
ieee80211_link_debugfs_add(link);
}
+
+ rcu_assign_pointer(sdata->vif.link_conf[link_id], link_conf);
+ rcu_assign_pointer(sdata->link[link_id], link);
}
void ieee80211_link_stop(struct ieee80211_link_data *link)
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 27d414efa3fd..a125995ed252 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -3884,7 +3884,7 @@ void ieee80211_recalc_dtim(struct ieee80211_local *local,
{
u64 tsf = drv_get_tsf(local, sdata);
u64 dtim_count = 0;
- u16 beacon_int = sdata->vif.bss_conf.beacon_int * 1024;
+ u32 beacon_int = sdata->vif.bss_conf.beacon_int * 1024;
u8 dtim_period = sdata->vif.bss_conf.dtim_period;
struct ps_data *ps;
u8 bcns_from_dtim;