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wifi: nl80211: reject link specific elements on assoc link

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When we associate, we'll include all the elements for the
link we're sending the association request on in the frame
and the specific ones for other links in the multi-link
element container. Prohibit adding link-specific elements
for the association link.

Fixes: d648c23024 ("wifi: nl80211: support MLO in auth/assoc")
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2022-07-11 11:53:20 +02:00
parent e3d331c9b6
commit 34d76a14f8
1 changed files with 7 additions and 0 deletions
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7
net/wireless/nl80211.c
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@ -10813,6 +10813,13 @@ static int nl80211_associate(struct sk_buff *skb, struct genl_info *info)
goto free;
}
if (req.links[req.link_id].elems_len) {
GENL_SET_ERR_MSG(info,
"cannot have per-link elems on assoc link");
err = -EINVAL;
goto free;
}
kfree(attrs);
attrs = NULL;
} else {