net/wan/fsl_ucc_hdlc: remove set but not used variables 'ut_info' and 'ret'

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

drivers/net/wan/fsl_ucc_hdlc.c: In function ucc_hdlc_irq_handler:
drivers/net/wan/fsl_ucc_hdlc.c:643:23:
	warning: variable ut_info set but not used [-Wunused-but-set-variable]
drivers/net/wan/fsl_ucc_hdlc.c: In function uhdlc_suspend:
drivers/net/wan/fsl_ucc_hdlc.c:880:23:
	warning: variable ut_info set but not used [-Wunused-but-set-variable]
drivers/net/wan/fsl_ucc_hdlc.c: In function uhdlc_resume:
drivers/net/wan/fsl_ucc_hdlc.c:925:6:
	warning: variable ret set but not used [-Wunused-but-set-variable]
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/wan/fsl_ucc_hdlc.c

@@ -635,11 +635,9 @@ static irqreturn_t ucc_hdlc_irq_handler(int irq, void *dev_id)
 	struct ucc_hdlc_private *priv = (struct ucc_hdlc_private *)dev_id;
 	struct net_device *dev = priv->ndev;
 	struct ucc_fast_private *uccf;
-	struct ucc_tdm_info *ut_info;
 	u32 ucce;
 	u32 uccm;
 
-	ut_info = priv->ut_info;
 	uccf = priv->uccf;
 
 	ucce = ioread32be(uccf->p_ucce);
@@ -872,7 +870,6 @@ static void resume_clk_config(struct ucc_hdlc_private *priv)
 static int uhdlc_suspend(struct device *dev)
 {
 	struct ucc_hdlc_private *priv = dev_get_drvdata(dev);
-	struct ucc_tdm_info *ut_info;
 	struct ucc_fast __iomem *uf_regs;
 
 	if (!priv)
@@ -884,7 +881,6 @@ static int uhdlc_suspend(struct device *dev)
 	netif_device_detach(priv->ndev);
 	napi_disable(&priv->napi);
 
-	ut_info = priv->ut_info;
 	uf_regs = priv->uf_regs;
 
 	/* backup gumr guemr*/
@@ -917,7 +913,7 @@ static int uhdlc_resume(struct device *dev)
 	struct ucc_fast __iomem *uf_regs;
 	struct ucc_fast_private *uccf;
 	struct ucc_fast_info *uf_info;
-	int ret, i;
+	int i;
 	u32 cecr_subblock;
 	u16 bd_status;
 
@@ -962,7 +958,7 @@ static int uhdlc_resume(struct device *dev)
 
 	/* Write to QE CECR, UCCx channel to Stop Transmission */
 	cecr_subblock = ucc_fast_get_qe_cr_subblock(uf_info->ucc_num);
-	ret = qe_issue_cmd(QE_STOP_TX, cecr_subblock,
+	qe_issue_cmd(QE_STOP_TX, cecr_subblock,
 		     (u8)QE_CR_PROTOCOL_UNSPECIFIED, 0);
 
 	/* Set UPSMR normal mode */
@@ -970,7 +966,7 @@ static int uhdlc_resume(struct device *dev)
 
 	/* init parameter base */
 	cecr_subblock = ucc_fast_get_qe_cr_subblock(uf_info->ucc_num);
-	ret = qe_issue_cmd(QE_ASSIGN_PAGE_TO_DEVICE, cecr_subblock,
+	qe_issue_cmd(QE_ASSIGN_PAGE_TO_DEVICE, cecr_subblock,
 		     QE_CR_PROTOCOL_UNSPECIFIED, priv->ucc_pram_offset);
 
 	priv->ucc_pram = (struct ucc_hdlc_param __iomem *)