mirror of
https://github.com/openwrt/openwrt.git
synced 2025-01-03 04:26:55 +00:00
3e738781a9
This fixes WARN_ONs when using AP_VLANs after station removal. The flush call passed AP_VLAN vif to driver, but because these vifs are virtual and not registered with drivers, we need to translate to the correct AP vif first. Fixes: openwrt#12420 Signed-off-by: Oldřich Jedlička <oldium.pro@gmail.com>
65 lines
2.1 KiB
Diff
65 lines
2.1 KiB
Diff
From ee0db868ee4d88493dfdc82f59e3b4e449ddddd5 Mon Sep 17 00:00:00 2001
|
|
From: Oldřich Jedlička <oldium.pro@gmail.com>
|
|
Date: Sat, 4 Nov 2023 15:13:33 +0100
|
|
Subject: wifi: mac80211: do not pass AP_VLAN vif pointer to drivers during
|
|
flush
|
|
MIME-Version: 1.0
|
|
Content-Type: text/plain; charset=UTF-8
|
|
Content-Transfer-Encoding: 8bit
|
|
|
|
[ Upstream commit 3e3a2b645c043f7e3e488d5011478cefb69bbe8b ]
|
|
|
|
This fixes WARN_ONs when using AP_VLANs after station removal. The flush
|
|
call passed AP_VLAN vif to driver, but because these vifs are virtual and
|
|
not registered with drivers, we need to translate to the correct AP vif
|
|
first.
|
|
|
|
Closes: https://github.com/openwrt/openwrt/issues/12420
|
|
Fixes: 0b75a1b1e42e ("wifi: mac80211: flush queues on STA removal")
|
|
Fixes: d00800a289c9 ("wifi: mac80211: add flush_sta method")
|
|
Tested-by: Konstantin Demin <rockdrilla@gmail.com>
|
|
Tested-by: Koen Vandeputte <koen.vandeputte@citymesh.com>
|
|
Signed-off-by: Oldřich Jedlička <oldium.pro@gmail.com>
|
|
Link: https://lore.kernel.org/r/20231104141333.3710-1-oldium.pro@gmail.com
|
|
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
|
|
Signed-off-by: Sasha Levin <sashal@kernel.org>
|
|
---
|
|
net/mac80211/driver-ops.h | 9 +++++++--
|
|
1 file changed, 7 insertions(+), 2 deletions(-)
|
|
|
|
--- a/net/mac80211/driver-ops.h
|
|
+++ b/net/mac80211/driver-ops.h
|
|
@@ -23,7 +23,7 @@
|
|
static inline struct ieee80211_sub_if_data *
|
|
get_bss_sdata(struct ieee80211_sub_if_data *sdata)
|
|
{
|
|
- if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
|
|
+ if (sdata && sdata->vif.type == NL80211_IFTYPE_AP_VLAN)
|
|
sdata = container_of(sdata->bss, struct ieee80211_sub_if_data,
|
|
u.ap);
|
|
|
|
@@ -638,10 +638,13 @@ static inline void drv_flush(struct ieee
|
|
struct ieee80211_sub_if_data *sdata,
|
|
u32 queues, bool drop)
|
|
{
|
|
- struct ieee80211_vif *vif = sdata ? &sdata->vif : NULL;
|
|
+ struct ieee80211_vif *vif;
|
|
|
|
might_sleep();
|
|
|
|
+ sdata = get_bss_sdata(sdata);
|
|
+ vif = sdata ? &sdata->vif : NULL;
|
|
+
|
|
if (sdata && !check_sdata_in_driver(sdata))
|
|
return;
|
|
|
|
@@ -657,6 +660,8 @@ static inline void drv_flush_sta(struct
|
|
{
|
|
might_sleep();
|
|
|
|
+ sdata = get_bss_sdata(sdata);
|
|
+
|
|
if (sdata && !check_sdata_in_driver(sdata))
|
|
return;
|
|
|