linux-kernel - [PATCH V2] staging: r8188eu: Drop redundant memset overwritten by memcpy

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Message-ID: <1654077926-9687-1-git-send-email-baihaowen@meizu.com>
Date:   Wed, 1 Jun 2022 18:05:26 +0800
From:   Haowen Bai <baihaowen@...zu.com>
To:     <larry.finger@...inger.net>
CC:     <baihaowen@...zu.com>, <gregkh@...uxfoundation.org>,
        <linux-kernel@...r.kernel.org>, <linux-staging@...ts.linux.dev>,
        <phil@...lpotter.co.uk>
Subject: [PATCH V2] staging: r8188eu: Drop redundant memset overwritten by memcpy

The region set by the call to memset is immediately overwritten by the
subsequent call to memcpy. So we drop redundant memset.

Signed-off-by: Haowen Bai <baihaowen@...zu.com>
---
V1->V2: change title for unique subjects.

 drivers/staging/r8188eu/core/rtw_mlme.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/staging/r8188eu/core/rtw_mlme.c b/drivers/staging/r8188eu/core/rtw_mlme.c
index 5a815642c3f6..56c8bd5f4c60 100644
--- a/drivers/staging/r8188eu/core/rtw_mlme.c
+++ b/drivers/staging/r8188eu/core/rtw_mlme.c
@@ -676,7 +676,6 @@ void rtw_surveydone_event_callback(struct adapter	*adapter, u8 *pbuf)
 
 					_clr_fwstate_(pmlmepriv, _FW_UNDER_SURVEY);
 
-					memset(&pdev_network->Ssid, 0, sizeof(struct ndis_802_11_ssid));
 					memcpy(&pdev_network->Ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid));
 
 					rtw_update_registrypriv_dev_network(adapter);
@@ -1253,7 +1252,6 @@ void rtw_stadel_event_callback(struct adapter *adapter, u8 *pbuf)
 
 			memcpy(pdev_network, &tgt_network->network, get_wlan_bssid_ex_sz(&tgt_network->network));
 
-			memset(&pdev_network->Ssid, 0, sizeof(struct ndis_802_11_ssid));
 			memcpy(&pdev_network->Ssid, &pmlmepriv->assoc_ssid, sizeof(struct ndis_802_11_ssid));
 
 			rtw_update_registrypriv_dev_network(adapter);
-- 
2.7.4