From: Alexandr Shashkin <dutyrok@altlinux.org>
To: linux-kernel@vger.kernel.org
Cc: Alexandr Shashkin <dutyrok@altlinux.org>,
stable@vger.kernel.org, lvc-project@linuxtesting.org,
Johannes Berg <johannes@sipsolutions.net>,
"David S. Miller" <davem@davemloft.net>,
Jakub Kicinski <kuba@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
kovalev@altlinux.org,
syzbot+de87c09cc7b964ea2e23@syzkaller.appspotmail.com,
Johannes Berg <johannes.berg@intel.com>,
Alexander Ofitserov <oficerovas@altlinux.org>
Subject: [PATCH v2 5.10/5.15] wifi: mac80211: apply mcast rate only if interface is up
Date: Fri, 9 Aug 2024 17:31:22 +0300 [thread overview]
Message-ID: <20240809143122.534704-1-dutyrok@altlinux.org> (raw)
[ Upstream commit 02c665f048a439c0d58cc45334c94634bd7c18e6 ]
If the interface isn't enabled, don't apply multicast
rate changes immediately.
Reported-by: syzbot+de87c09cc7b964ea2e23@syzkaller.appspotmail.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
[oficerovas: Backported to 5.10 and 5.15]
Signed-off-by: Alexander Ofitserov <oficerovas@altlinux.org>
Signed-off-by: Alexandr Shashkin <dutyrok@altlinux.org>
---
Changes in v2:
- edit comment of oficerovas and add upstream commit
---
net/mac80211/cfg.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index 0c3da7771b48..13ac16026129 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -2560,7 +2560,8 @@ static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
memcpy(sdata->vif.bss_conf.mcast_rate, rate,
sizeof(int) * NUM_NL80211_BANDS);
- ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MCAST_RATE);
+ if (ieee80211_sdata_running(sdata))
+ ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MCAST_RATE);
return 0;
}
--
2.42.2
reply other threads:[~2024-08-09 14:31 UTC|newest]
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