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[2001:8b0:dfde:e1a0::2]) by smtp.gmail.com with ESMTPSA id k10sm2915553wrh.64.2021.10.20.14.07.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 Oct 2021 14:07:34 -0700 (PDT) Date: Wed, 20 Oct 2021 22:07:32 +0100 From: Phillip Potter To: Martin Kaiser Cc: Greg Kroah-Hartman , Larry Finger , Michael Straube , linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org Subject: Re: [PATCH 3/5] staging: r8188eu: use helper to check for broadcast address Message-ID: References: <20211020195401.12931-1-martin@kaiser.cx> <20211020195401.12931-3-martin@kaiser.cx> Precedence: bulk X-Mailing-List: linux-staging@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20211020195401.12931-3-martin@kaiser.cx> On Wed, Oct 20, 2021 at 09:53:59PM +0200, Martin Kaiser wrote: > Use the is_broadcast_ether_addr function to check for a > broadcast address. > > Signed-off-by: Martin Kaiser > --- > drivers/staging/r8188eu/core/rtw_mlme_ext.c | 6 ++---- > drivers/staging/r8188eu/hal/odm.c | 3 +-- > 2 files changed, 3 insertions(+), 6 deletions(-) > > diff --git a/drivers/staging/r8188eu/core/rtw_mlme_ext.c b/drivers/staging/r8188eu/core/rtw_mlme_ext.c > index 995a0248c26f..b0dfafe526f7 100644 > --- a/drivers/staging/r8188eu/core/rtw_mlme_ext.c > +++ b/drivers/staging/r8188eu/core/rtw_mlme_ext.c > @@ -392,13 +392,12 @@ void free_mlme_ext_priv(struct mlme_ext_priv *pmlmeext) > > static void _mgt_dispatcher(struct adapter *padapter, struct mlme_handler *ptable, struct recv_frame *precv_frame) > { > - u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; > u8 *pframe = precv_frame->rx_data; > > if (ptable->func) { > /* receive the frames that ra(a1) is my address or ra(a1) is bc address. */ > if (memcmp(GetAddr1Ptr(pframe), myid(&padapter->eeprompriv), ETH_ALEN) && > - memcmp(GetAddr1Ptr(pframe), bc_addr, ETH_ALEN)) > + !is_broadcast_ether_addr(GetAddr1Ptr(pframe))) > return; > ptable->func(padapter, precv_frame); > } > @@ -409,7 +408,6 @@ void mgt_dispatcher(struct adapter *padapter, struct recv_frame *precv_frame) > int index; > struct mlme_handler *ptable; > struct mlme_priv *pmlmepriv = &padapter->mlmepriv; > - u8 bc_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; > u8 *pframe = precv_frame->rx_data; > struct sta_info *psta = rtw_get_stainfo(&padapter->stapriv, GetAddr2Ptr(pframe)); > > @@ -418,7 +416,7 @@ void mgt_dispatcher(struct adapter *padapter, struct recv_frame *precv_frame) > > /* receive the frames that ra(a1) is my address or ra(a1) is bc address. */ > if (memcmp(GetAddr1Ptr(pframe), myid(&padapter->eeprompriv), ETH_ALEN) && > - memcmp(GetAddr1Ptr(pframe), bc_addr, ETH_ALEN)) > + !is_broadcast_ether_addr(GetAddr1Ptr(pframe))) > return; > > ptable = mlme_sta_tbl; > diff --git a/drivers/staging/r8188eu/hal/odm.c b/drivers/staging/r8188eu/hal/odm.c > index 67cf8f7baba5..21f115194df8 100644 > --- a/drivers/staging/r8188eu/hal/odm.c > +++ b/drivers/staging/r8188eu/hal/odm.c > @@ -829,7 +829,6 @@ void odm_RSSIMonitorCheck(struct odm_dm_struct *pDM_Odm) > u8 sta_cnt = 0; > u32 PWDB_rssi[NUM_STA] = {0};/* 0~15]:MACID, [16~31]:PWDB_rssi */ > struct sta_info *psta; > - u8 bcast_addr[ETH_ALEN] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; > > if (!(pDM_Odm->SupportAbility & ODM_BB_RSSI_MONITOR)) > return; > @@ -841,7 +840,7 @@ void odm_RSSIMonitorCheck(struct odm_dm_struct *pDM_Odm) > psta = pDM_Odm->pODM_StaInfo[i]; > if (IS_STA_VALID(psta) && > (psta->state & WIFI_ASOC_STATE) && > - memcmp(psta->hwaddr, bcast_addr, ETH_ALEN) && > + !is_broadcast_ether_addr(psta->hwaddr) && > memcmp(psta->hwaddr, myid(&Adapter->eeprompriv), ETH_ALEN)) { > if (psta->rssi_stat.UndecoratedSmoothedPWDB < tmpEntryMinPWDB) > tmpEntryMinPWDB = psta->rssi_stat.UndecoratedSmoothedPWDB; > -- > 2.20.1 > Looks good. Acked-by: Phillip Potter Regards, Phil