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wifi: nl80211: free RNR data on MBSSID mismatch

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nl80211_parse_beacon() rejects EMA RNR data when there are fewer RNR
entries than MBSSID entries.

The rejected RNR allocation has not been attached to the beacon data yet,
so free it before returning the error.

Fixes: dbbb27e183 ("cfg80211: support RNR for EMA AP")
Signed-off-by: Zhao Li <enderaoelyther@gmail.com>
Link: https://patch.msgid.link/20260610112208.1308-2-enderaoelyther@gmail.com
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Zhao Li
2026-06-10 19:22:09 +08:00
committed by Johannes Berg
parent 8ecdeb8b8a
commit 07a95ec2b5
1 changed files with 3 additions and 1 deletions
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4
net/wireless/nl80211.c
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@@ -6803,8 +6803,10 @@ static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev,
if (IS_ERR(rnr))
return PTR_ERR(rnr);
if (rnr && rnr->cnt < bcn->mbssid_ies->cnt)
if (rnr && rnr->cnt < bcn->mbssid_ies->cnt) {
kfree(rnr);
return -EINVAL;
}
bcn->rnr_ies = rnr;
}