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From: Sasha Levin <sashal@kernel.org>
To: linux-kernel@vger.kernel.org, stable@vger.kernel.org
Cc: Chen Zhou <chenzhou10@huawei.com>, Hulk Robot <hulkci@huawei.com>,
	"David S . Miller" <davem@davemloft.net>,
	Sasha Levin <sashal@kernel.org>,
	netdev@vger.kernel.org, linuxppc-dev@lists.ozlabs.org
Subject: [PATCH AUTOSEL 4.19 120/252] net/wan/fsl_ucc_hdlc: remove set but not used variables 'ut_info' and 'ret'
Date: Fri, 14 Feb 2020 11:09:35 -0500	[thread overview]
Message-ID: <20200214161147.15842-120-sashal@kernel.org> (raw)
In-Reply-To: <20200214161147.15842-1-sashal@kernel.org>

From: Chen Zhou <chenzhou10@huawei.com>

[ Upstream commit 270fe2ceda66b6964d4c6f261d7f562a02c1c786 ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/net/wan/fsl_ucc_hdlc.c | 14 +++++---------
 1 file changed, 5 insertions(+), 9 deletions(-)

diff --git a/drivers/net/wan/fsl_ucc_hdlc.c b/drivers/net/wan/fsl_ucc_hdlc.c
index 9ab04ef532f34..bb560f1d9a48c 100644
--- a/drivers/net/wan/fsl_ucc_hdlc.c
+++ b/drivers/net/wan/fsl_ucc_hdlc.c
@@ -591,11 +591,9 @@ 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);
@@ -825,7 +823,6 @@ 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)
@@ -837,7 +834,6 @@ 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*/
@@ -870,7 +866,7 @@ 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;
 
@@ -915,16 +911,16 @@ 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,
-			   (u8)QE_CR_PROTOCOL_UNSPECIFIED, 0);
+	qe_issue_cmd(QE_STOP_TX, cecr_subblock,
+		     (u8)QE_CR_PROTOCOL_UNSPECIFIED, 0);
 
 	/* Set UPSMR normal mode */
 	iowrite32be(0, &uf_regs->upsmr);
 
 	/* 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_CR_PROTOCOL_UNSPECIFIED, priv->ucc_pram_offset);
+	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 *)
 				qe_muram_addr(priv->ucc_pram_offset);
-- 
2.20.1


  parent reply	other threads:[~2020-02-14 17:07 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20200214161147.15842-1-sashal@kernel.org>
2020-02-14 16:07 ` [PATCH AUTOSEL 4.19 008/252] brcmfmac: Fix use after free in brcmf_sdio_readframes() Sasha Levin
2020-02-14 16:07 ` [PATCH AUTOSEL 4.19 012/252] gianfar: Fix TX timestamping with a stacked DSA driver Sasha Levin
2020-02-14 16:08 ` [PATCH AUTOSEL 4.19 046/252] ath10k: Correct the DMA direction for management tx buffers Sasha Levin
2020-02-14 16:08 ` [PATCH AUTOSEL 4.19 047/252] libertas: don't exit from lbs_ibss_join_existing() with RCU read lock held Sasha Levin
2020-02-14 16:08 ` [PATCH AUTOSEL 4.19 048/252] libertas: make lbs_ibss_join_existing() return error code on rates overflow Sasha Levin
2020-02-14 16:08 ` [PATCH AUTOSEL 4.19 077/252] net/wan/fsl_ucc_hdlc: reject muram offsets above 64K Sasha Levin
2020-02-14 16:08 ` [PATCH AUTOSEL 4.19 079/252] NFC: port100: Convert cpu_to_le16(le16_to_cpu(E1) + E2) to use le16_add_cpu() Sasha Levin
2020-02-14 16:09 ` [PATCH AUTOSEL 4.19 097/252] r8169: check that Realtek PHY driver module is loaded Sasha Levin
2020-02-14 16:09 ` [PATCH AUTOSEL 4.19 098/252] fore200e: Fix incorrect checks of NULL pointer dereference Sasha Levin
2020-02-14 16:09 ` [PATCH AUTOSEL 4.19 099/252] isdn: don't mark kcapi_proc_exit as __exit Sasha Levin
2020-02-14 16:09 ` [PATCH AUTOSEL 4.19 100/252] netfilter: nft_tunnel: add the missing ERSPAN_VERSION nla_policy Sasha Levin
2020-02-14 16:09 ` [PATCH AUTOSEL 4.19 103/252] b43legacy: Fix -Wcast-function-type Sasha Levin
2020-02-14 16:09 ` [PATCH AUTOSEL 4.19 104/252] ipw2x00: " Sasha Levin
2020-02-14 16:09 ` [PATCH AUTOSEL 4.19 105/252] iwlegacy: " Sasha Levin
2020-02-14 16:09 ` [PATCH AUTOSEL 4.19 106/252] rtlwifi: rtl_pci: " Sasha Levin
2020-02-14 16:09 ` [PATCH AUTOSEL 4.19 108/252] orinoco: avoid assertion in case of NULL pointer Sasha Levin
2020-02-14 16:09 ` Sasha Levin [this message]
2020-02-14 16:09 ` [PATCH AUTOSEL 4.19 131/252] tools lib api fs: Fix gcc9 stringop-truncation compilation error Sasha Levin
2020-02-14 16:09 ` [PATCH AUTOSEL 4.19 134/252] mlx5: work around high stack usage with gcc Sasha Levin
2020-02-14 16:10 ` [PATCH AUTOSEL 4.19 154/252] wan: ixp4xx_hss: fix compile-testing on 64-bit Sasha Levin
2020-02-14 16:10 ` [PATCH AUTOSEL 4.19 166/252] bpf: Return -EBADRQC for invalid map type in __bpf_tx_xdp_map Sasha Levin
2020-02-14 16:11 ` [PATCH AUTOSEL 4.19 215/252] selftests: bpf: Reset global state between reuseport test runs Sasha Levin
2020-02-14 16:11 ` [PATCH AUTOSEL 4.19 219/252] ath10k: pci: Only dump ATH10K_MEM_REGION_TYPE_IOREG when safe Sasha Levin
2020-02-14 16:11 ` [PATCH AUTOSEL 4.19 220/252] hostap: Adjust indentation in prism2_hostapd_add_sta Sasha Levin
2020-02-14 16:11 ` [PATCH AUTOSEL 4.19 221/252] rtlwifi: rtl8821ae: remove unused variables Sasha Levin
2020-02-14 16:11 ` [PATCH AUTOSEL 4.19 222/252] rtlwifi: rtl8192ee: " Sasha Levin
2020-02-14 16:11 ` [PATCH AUTOSEL 4.19 223/252] rtlwifi: rtl8723ae: " Sasha Levin
2020-02-14 16:11 ` [PATCH AUTOSEL 4.19 224/252] iwlegacy: ensure loop counter addr does not wrap and cause an infinite loop Sasha Levin
2020-02-14 16:11 ` [PATCH AUTOSEL 4.19 226/252] bpf: map_seq_next should always increase position index Sasha Levin
2020-02-14 16:11 ` [PATCH AUTOSEL 4.19 227/252] mwifiex: Fix possible buffer overflows in mwifiex_ret_wmm_get_status() Sasha Levin
2020-02-14 16:11 ` [PATCH AUTOSEL 4.19 228/252] mwifiex: Fix possible buffer overflows in mwifiex_cmd_append_vsie_tlv() Sasha Levin
2020-02-14 16:11 ` [PATCH AUTOSEL 4.19 242/252] iwlwifi: mvm: Fix thermal zone registration Sasha Levin
2020-02-14 16:11 ` [PATCH AUTOSEL 4.19 252/252] mlxsw: spectrum_dpipe: Add missing error path Sasha Levin

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