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authorJohannes Berg <johannes.berg@intel.com>2023-03-01 11:09:14 +0100
committerJohannes Berg <johannes.berg@intel.com>2023-03-07 10:28:51 +0100
commit0fd3af61731567dc0ad798c88c20f6d63fe331ea (patch)
treeb88732afacc14b5033cba04a3a42328449992593 /net/mac80211
parentwifi: nl80211: Update the documentation of NL80211_SCAN_FLAG_COLOCATED_6GHZ (diff)
downloadlinux-0fd3af61731567dc0ad798c88c20f6d63fe331ea.tar.xz
linux-0fd3af61731567dc0ad798c88c20f6d63fe331ea.zip
wifi: mac80211: adjust scan cancel comment/check
Instead of the comment about holding RTNL, which is now wrong, add a proper lockdep assertion for the wiphy mutex. Fixes: a05829a7222e ("cfg80211: avoid holding the RTNL when calling the driver") Signed-off-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Gregory Greenman <gregory.greenman@intel.com> Link: https://lore.kernel.org/r/20230301115906.84352e46f342.Id90fef8c581cebe19cb30274340cf43885d55c74@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/scan.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index dc3cdee51e66..32fa8aca7005 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -9,7 +9,7 @@
* Copyright 2007, Michael Wu <flamingice@sourmilk.net>
* Copyright 2013-2015 Intel Mobile Communications GmbH
* Copyright 2016-2017 Intel Deutschland GmbH
- * Copyright (C) 2018-2021 Intel Corporation
+ * Copyright (C) 2018-2022 Intel Corporation
*/
#include <linux/if_arp.h>
@@ -1246,11 +1246,11 @@ int ieee80211_request_ibss_scan(struct ieee80211_sub_if_data *sdata,
return ret;
}
-/*
- * Only call this function when a scan can't be queued -- under RTNL.
- */
void ieee80211_scan_cancel(struct ieee80211_local *local)
{
+ /* ensure a new scan cannot be queued */
+ lockdep_assert_wiphy(local->hw.wiphy);
+
/*
* We are canceling software scan, or deferred scan that was not
* yet really started (see __ieee80211_start_scan ).