linux-kernel - [PATCH] staging: rtl8192u: Remove some set but not used variables

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Date:   Tue, 7 Apr 2020 08:07:44 -0400
From:   Wang Hai <wanghai38@...wei.com>
To:     <gregkh@...uxfoundation.org>, <sylphrenadin@...il.com>,
        <c.cantanheide@...il.com>, <navid.emamdoost@...il.com>,
        <nishkadg.linux@...il.com>, <mst@...hat.com>, <stephen@...nnan.io>,
        <mchehab@...nel.org>
CC:     <devel@...verdev.osuosl.org>, <linux-kernel@...r.kernel.org>,
        <wanghai38@...wei.com>
Subject: [PATCH] staging: rtl8192u: Remove some set but not used variables

Fixes gcc '-Wunused-but-set-variable' warning:

drivers/staging/rtl8192u/r8192U_core.c: In function rtl8192_hard_data_xmit:
drivers/staging/rtl8192u/r8192U_core.c:905:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
drivers/staging/rtl8192u/r8192U_core.c: In function rtl8192_commit:
drivers/staging/rtl8192u/r8192U_core.c:3418:6: warning: variable ‘reset_status’ set but not used [-Wunused-but-set-variable]

Fixes: 8fc8598e61f6 ("Staging: Added Realtek rtl8192u driver to staging")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Wang Hai <wanghai38@...wei.com>
---
 drivers/staging/rtl8192u/r8192U_core.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/staging/rtl8192u/r8192U_core.c b/drivers/staging/rtl8192u/r8192U_core.c
index fcfb902..bb28670 100644
--- a/drivers/staging/rtl8192u/r8192U_core.c
+++ b/drivers/staging/rtl8192u/r8192U_core.c
@@ -902,7 +902,6 @@ static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
 				   int rate)
 {
 	struct r8192_priv *priv = (struct r8192_priv *)ieee80211_priv(dev);
-	int ret;
 	unsigned long flags;
 	struct cb_desc *tcb_desc = (struct cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
 	u8 queue_index = tcb_desc->queue_index;
@@ -915,7 +914,7 @@ static void rtl8192_hard_data_xmit(struct sk_buff *skb, struct net_device *dev,
 	*(struct net_device **)(skb->cb) = dev;
 	tcb_desc->bTxEnableFwCalcDur = 1;
 	skb_push(skb, priv->ieee80211->tx_headroom);
-	ret = rtl8192_tx(dev, skb);
+	rtl8192_tx(dev, skb);
 
 	spin_unlock_irqrestore(&priv->tx_lock, flags);
 }
@@ -3415,7 +3414,6 @@ int rtl8192_down(struct net_device *dev)
 void rtl8192_commit(struct net_device *dev)
 {
 	struct r8192_priv *priv = ieee80211_priv(dev);
-	int reset_status = 0;
 
 	if (priv->up == 0)
 		return;
@@ -3427,7 +3425,7 @@ void rtl8192_commit(struct net_device *dev)
 	ieee80211_softmac_stop_protocol(priv->ieee80211);
 
 	rtl8192_rtx_disable(dev);
-	reset_status = _rtl8192_up(dev);
+	_rtl8192_up(dev);
 }
 
 static void rtl8192_restart(struct work_struct *work)
-- 
1.8.3.1