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staging: r8188eu: simplify err handling for unknown station

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If we receive a disassoc message from an unknown station, we can drop this
message immediately. Reorder the code to make this clearer.

Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com> # Edimax N150
Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20221129205152.128172-6-martin@kaiser.cx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Martin Kaiser 2022-11-29 21:51:52 +01:00 committed by Greg Kroah-Hartman
parent 17580de3e2
commit 30b28fd639
1 changed files with 11 additions and 11 deletions
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22
drivers/staging/r8188eu/core/rtw_mlme_ext.c
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@ -1435,6 +1435,7 @@ static void OnDisassoc(struct adapter *padapter, struct recv_frame *precv_frame)
struct wifidirect_info *pwdinfo = &padapter->wdinfo;
struct sta_info *psta;
struct sta_priv *pstapriv = &padapter->stapriv;
u8 updated = 0;
if (memcmp(mgmt->bssid, get_my_bssid(&pmlmeinfo->network), ETH_ALEN))
return;
@ -1453,19 +1454,18 @@ static void OnDisassoc(struct adapter *padapter, struct recv_frame *precv_frame)
}
psta = rtw_get_stainfo(pstapriv, mgmt->sa);
if (psta) {
u8 updated = 0;
if (!psta)
return;
spin_lock_bh(&pstapriv->asoc_list_lock);
if (!list_empty(&psta->asoc_list)) {
list_del_init(&psta->asoc_list);
pstapriv->asoc_list_cnt--;
updated = ap_free_sta(padapter, psta, false, reason);
}
spin_unlock_bh(&pstapriv->asoc_list_lock);
associated_clients_update(padapter, updated);
spin_lock_bh(&pstapriv->asoc_list_lock);
if (!list_empty(&psta->asoc_list)) {
list_del_init(&psta->asoc_list);
pstapriv->asoc_list_cnt--;
updated = ap_free_sta(padapter, psta, false, reason);
}
spin_unlock_bh(&pstapriv->asoc_list_lock);
associated_clients_update(padapter, updated);
}
static void OnAction_back(struct adapter *padapter, struct recv_frame *precv_frame)