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wifi: mac80211: remove redundant ML element check

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If "ml_basic" is assigned, we already know that the type
of ML element is basic, so we don't need to check again,
that check can never happen. Simplify the code.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Reviewed-by: Gregory Greenman <gregory.greenman@intel.com>
Reviewed-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com>
Link: https://msgid.link/20240102213313.bb9b636e66f6.I7fc0897022142d46f39ac0b912a4f7b0f1b6ea26@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2024-01-02 21:35:42 +02:00
parent d18125b640
commit 3aca362a4c
1 changed files with 10 additions and 19 deletions
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29
net/mac80211/mlme.c
View file

@ -5407,33 +5407,24 @@ static void ieee80211_rx_mgmt_assoc_resp(struct ieee80211_sub_if_data *sdata,
}
if (ieee80211_vif_is_mld(&sdata->vif)) {
struct ieee80211_mle_basic_common_info *common;
if (!elems->ml_basic) {
sdata_info(sdata,
"MLO association with %pM but no multi-link element in response!\n",
"MLO association with %pM but no (basic) multi-link element in response!\n",
assoc_data->ap_addr);
goto abandon_assoc;
}
if (le16_get_bits(elems->ml_basic->control,
IEEE80211_ML_CONTROL_TYPE) !=
IEEE80211_ML_CONTROL_TYPE_BASIC) {
common = (void *)elems->ml_basic->variable;
if (memcmp(assoc_data->ap_addr,
common->mld_mac_addr, ETH_ALEN)) {
sdata_info(sdata,
"bad multi-link element (control=0x%x)\n",
le16_to_cpu(elems->ml_basic->control));
"AP MLD MAC address mismatch: got %pM expected %pM\n",
common->mld_mac_addr,
assoc_data->ap_addr);
goto abandon_assoc;
} else {
struct ieee80211_mle_basic_common_info *common;
common = (void *)elems->ml_basic->variable;
if (memcmp(assoc_data->ap_addr,
common->mld_mac_addr, ETH_ALEN)) {
sdata_info(sdata,
"AP MLD MAC address mismatch: got %pM expected %pM\n",
common->mld_mac_addr,
assoc_data->ap_addr);
goto abandon_assoc;
}
}
}