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From: kernel test robot <lkp@intel.com>
To: kbuild@lists.01.org
Subject: drivers/pci/controller/dwc/pcie-kirin.c:321:2: warning: Assignment of function parameter has no effect outside the function. Did you forget dereferencing it? [uselessAssignmentPtrArg]
Date: Sat, 29 Jan 2022 14:52:02 +0800	[thread overview]
Message-ID: <202201291228.17gN1FOR-lkp@intel.com> (raw)

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CC: kbuild-all(a)lists.01.org
CC: linux-kernel(a)vger.kernel.org
TO: Mauro Carvalho Chehab <mchehab@kernel.org>
CC: linux-media(a)vger.kernel.org
CC: Bjorn Helgaas <helgaas@kernel.org>
CC: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   169387e2aa291a4e3cb856053730fe99d6cec06f
commit: 61d37547436dce45e3590db72360df0e230ca969 PCI: kirin: Reorganize the PHY logic inside the driver
date:   3 months ago
:::::: branch date: 10 hours ago
:::::: commit date: 3 months ago
compiler: riscv32-linux-gcc (GCC) 11.2.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>


cppcheck possible warnings: (new ones prefixed by >>, may not real problems)

>> drivers/pci/controller/dwc/pcie-kirin.c:321:2: warning: Assignment of function parameter has no effect outside the function. Did you forget dereferencing it? [uselessAssignmentPtrArg]
    pdev = container_of(dev, struct platform_device, dev);
    ^

vim +321 drivers/pci/controller/dwc/pcie-kirin.c

61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21  305  
61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21  306  static int hi3660_pcie_phy_init(struct platform_device *pdev,
61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21  307  				struct kirin_pcie *pcie)
61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21  308  {
61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21  309  	struct device *dev = &pdev->dev;
61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21  310  	struct hi3660_pcie_phy *phy;
61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21  311  	int ret;
61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21  312  
61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21  313  	phy = devm_kzalloc(dev, sizeof(*phy), GFP_KERNEL);
61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21  314  	if (!phy)
61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21  315  		return -ENOMEM;
61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21  316  
61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21  317  	pcie->phy_priv = phy;
61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21  318  	phy->dev = dev;
61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21  319  
61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21  320  	/* registers */
61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21 @321  	pdev = container_of(dev, struct platform_device, dev);
61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21  322  
61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21  323  	ret = hi3660_pcie_phy_get_clk(phy);
61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21  324  	if (ret)
fc5165db245ac4 drivers/pci/dwc/pcie-kirin.c            Xiaowei Song          2017-06-19  325  		return ret;
61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21  326  
61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21  327  	return hi3660_pcie_phy_get_resource(phy);
61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21  328  }
61d37547436dce drivers/pci/controller/dwc/pcie-kirin.c Mauro Carvalho Chehab 2021-10-21  329  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

             reply	other threads:[~2022-01-29  6:52 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-29  6:52 kernel test robot [this message]
  -- strict thread matches above, loose matches on Subject: below --
2022-02-25  0:56 drivers/pci/controller/dwc/pcie-kirin.c:321:2: warning: Assignment of function parameter has no effect outside the function. Did you forget dereferencing it? [uselessAssignmentPtrArg] kernel test robot

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