linux-kernel - [PATCH] staging: rtl8712: Remove unnecessary variable in rtl8712

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Date:   Wed, 29 May 2019 18:50:31 +0530
From:   Nishka Dasgupta <nishkadg.linux@...il.com>
To:     larry.finger@...inger.net, florian.c.schilhabel@...glemail.com,
        gregkh@...uxfoundation.org, himadri18.07@...il.com,
        daniela.mormocea@...il.com, straube.linux@...il.com,
        vatsalanarang@...il.com, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org
Cc:     Nishka Dasgupta <nishkadg.linux@...il.com>
Subject: [PATCH] staging: rtl8712: Remove unnecessary variable in rtl8712_recv.c

Remove unnecessary variable last_evm in rtl8712_recv.c and use its value
directly.
Issue found with Coccinelle.

Signed-off-by: Nishka Dasgupta <nishkadg.linux@...il.com>
---
 drivers/staging/rtl8712/rtl8712_recv.c | 5 ++---
 drivers/staging/rtl8712/rtl871x_cmd.c  | 2 +-
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/rtl8712/rtl8712_recv.c b/drivers/staging/rtl8712/rtl8712_recv.c
index 82ddc0c3ecd4..f6f7cd5fd0f2 100644
--- a/drivers/staging/rtl8712/rtl8712_recv.c
+++ b/drivers/staging/rtl8712/rtl8712_recv.c
@@ -885,7 +885,7 @@ static void query_rx_phy_status(struct _adapter *padapter,
 static void process_link_qual(struct _adapter *padapter,
 			      union recv_frame *prframe)
 {
-	u32	last_evm = 0, tmpVal;
+	u32	tmpVal;
 	struct rx_pkt_attrib *pattrib;
 	struct smooth_rssi_data *sqd = &padapter->recvpriv.signal_qual_data;
 
@@ -898,8 +898,7 @@ static void process_link_qual(struct _adapter *padapter,
 		 */
 		if (sqd->total_num++ >= PHY_LINKQUALITY_SLID_WIN_MAX) {
 			sqd->total_num = PHY_LINKQUALITY_SLID_WIN_MAX;
-			last_evm = sqd->elements[sqd->index];
-			sqd->total_val -= last_evm;
+			sqd->total_val -= sqd->elements[sqd->index];
 		}
 		sqd->total_val += pattrib->signal_qual;
 		sqd->elements[sqd->index++] = pattrib->signal_qual;
diff --git a/drivers/staging/rtl8712/rtl871x_cmd.c b/drivers/staging/rtl8712/rtl871x_cmd.c
index 05a78ac24987..7c437ee9e022 100644
--- a/drivers/staging/rtl8712/rtl871x_cmd.c
+++ b/drivers/staging/rtl8712/rtl871x_cmd.c
@@ -880,7 +880,7 @@ void r8712_createbss_cmd_callback(struct _adapter *padapter,
 		}
 		r8712_indicate_connect(padapter);
 	} else {
-		pwlan = _r8712_alloc_network(pmlmepriv);
+		pwlan = r8712_alloc_network(pmlmepriv);
 		if (!pwlan) {
 			pwlan = r8712_get_oldest_wlan_network(
 				&pmlmepriv->scanned_queue);
-- 
2.19.1