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authorJohannes Berg <johannes.berg@intel.com>2023-06-04 12:11:28 +0300
committerJohannes Berg <johannes.berg@intel.com>2023-06-06 15:17:21 +0300
commitc4fdb0818d38fbe1ea7021fb51346df70bbca284 (patch)
treed3b2718eafafe52fc468a32503dbc407041372fa /net/mac80211
parent0cc80943ef518a1c51a1111e9346d1daf11dd545 (diff)
downloadlinux-c4fdb0818d38fbe1ea7021fb51346df70bbca284.tar.xz
wifi: mac80211: stop warning after reconfig failures
If we have a reconfig failure in the driver, then we need to shut down the network interface(s) at the network stack level through cfg80211, which can result in a lot of those "Failed check-sdata-in-driver check, ..." warnings, since interfaces are considered to not be in the driver when the reconfiguration fails, but we still need to go through all the shutdown flow. Avoid many of these warnings by storing the fact that the stack experienced a reconfiguration failure and not doing the warning in that case. Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Gregory Greenman <gregory.greenman@intel.com> Link: https://lore.kernel.org/r/20230604120651.3750c4ae6e76.I9e80d6026f59263c008a1a68f6cd6891ca0b93b0@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/driver-ops.h10
-rw-r--r--net/mac80211/ieee80211_i.h3
-rw-r--r--net/mac80211/iface.c3
-rw-r--r--net/mac80211/util.c1
4 files changed, 13 insertions, 4 deletions
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index 45d3e53c7383..c4505593ba7a 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -2,7 +2,7 @@
/*
* Portions of this file
* Copyright(c) 2016 Intel Deutschland GmbH
-* Copyright (C) 2018 - 2019, 2021 Intel Corporation
+* Copyright (C) 2018 - 2019, 2021 - 2023 Intel Corporation
*/
#ifndef __MAC80211_DRIVER_OPS
@@ -13,9 +13,11 @@
#include "trace.h"
#define check_sdata_in_driver(sdata) ({ \
- !WARN_ONCE(!(sdata->flags & IEEE80211_SDATA_IN_DRIVER), \
- "%s: Failed check-sdata-in-driver check, flags: 0x%x\n", \
- sdata->dev ? sdata->dev->name : sdata->name, sdata->flags); \
+ WARN_ONCE(!sdata->local->reconfig_failure && \
+ !(sdata->flags & IEEE80211_SDATA_IN_DRIVER), \
+ "%s: Failed check-sdata-in-driver check, flags: 0x%x\n", \
+ sdata->dev ? sdata->dev->name : sdata->name, sdata->flags); \
+ !!(sdata->flags & IEEE80211_SDATA_IN_DRIVER); \
})
static inline struct ieee80211_sub_if_data *
diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h
index c80e552b6197..865210726d54 100644
--- a/net/mac80211/ieee80211_i.h
+++ b/net/mac80211/ieee80211_i.h
@@ -1394,6 +1394,9 @@ struct ieee80211_local {
/* device is during a HW reconfig */
bool in_reconfig;
+ /* reconfiguration failed ... suppress some warnings etc. */
+ bool reconfig_failure;
+
/* wowlan is enabled -- don't reconfig on resume */
bool wowlan;
diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index f1e01f7a9b2e..2e2115af38f5 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -1281,6 +1281,9 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
}
if (local->open_count == 0) {
+ /* here we can consider everything in good order (again) */
+ local->reconfig_failure = false;
+
res = drv_start(local);
if (res)
goto err_del_bss;
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 3f24b6e59652..a027b9e24160 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -2373,6 +2373,7 @@ static void ieee80211_handle_reconfig_failure(struct ieee80211_local *local)
local->resuming = false;
local->suspended = false;
local->in_reconfig = false;
+ local->reconfig_failure = true;
ieee80211_flush_completed_scan(local, true);