From: Johannes Berg <johannes@sipsolutions.net>
To: linux-wireless@vger.kernel.org
Cc: Johannes Berg <johannes.berg@intel.com>,
syzbot+de87c09cc7b964ea2e23@syzkaller.appspotmail.com
Subject: [PATCH] wifi: mac80211: apply mcast rate only if interface is up
Date: Wed, 15 May 2024 13:34:10 +0200 [thread overview]
Message-ID: <20240515133410.d6cffe5756cc.I47b624a317e62bdb4609ff7fa79403c0c444d32d@changeid> (raw)
From: Johannes Berg <johannes.berg@intel.com>
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>
---
net/mac80211/cfg.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index b08e5d7687e3..99abbb9e8477 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -2958,8 +2958,9 @@ 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_link_info_change_notify(sdata, &sdata->deflink,
- BSS_CHANGED_MCAST_RATE);
+ if (ieee80211_sdata_running(sdata))
+ ieee80211_link_info_change_notify(sdata, &sdata->deflink,
+ BSS_CHANGED_MCAST_RATE);
return 0;
}
--
2.45.0
reply other threads:[~2024-05-15 11:34 UTC|newest]
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