linux-kernel - Re: [PATCH v4] of/pci: Fix memory leak in of_pci_get_host_bridge

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Date:   Thu, 6 Apr 2017 01:39:15 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Jeffy Chen <jeffy.chen@...k-chips.com>
Cc:     kbuild-all@...org, linux-pci@...r.kernel.org, robh@...nel.org,
        toshi.kani@....com, shawn.lin@...k-chips.com,
        briannorris@...omium.org, linux-kernel@...r.kernel.org,
        dianders@...omium.org, bhelgaas@...gle.com, dtor@...omium.org,
        Jeffy Chen <jeffy.chen@...k-chips.com>,
        devicetree@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
        Frank Rowand <frowand.list@...il.com>
Subject: Re: [PATCH v4] of/pci: Fix memory leak in
 of_pci_get_host_bridge_resources

Hi Jeffy,

[auto build test ERROR on pci/next]
[also build test ERROR on v4.11-rc5 next-20170405]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Jeffy-Chen/of-pci-Fix-memory-leak-in-of_pci_get_host_bridge_resources/20170406-005941
base:   https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next
config: x86_64-lkp (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   drivers//pci/bus.c: In function 'pci_add_resource_offset':
>> drivers//pci/bus.c:36:2: error: expected ';' before 'entry'
     entry->offset = offset;
     ^~~~~

vim +36 drivers//pci/bus.c

0efd5aab Bjorn Helgaas 2012-02-23  20  void pci_add_resource_offset(struct list_head *resources, struct resource *res,
0efd5aab Bjorn Helgaas 2012-02-23  21  			     resource_size_t offset)
45ca9e97 Bjorn Helgaas 2011-10-28  22  {
14d76b68 Jiang Liu     2015-02-05  23  	struct resource_entry *entry;
45ca9e97 Bjorn Helgaas 2011-10-28  24  
fa904d0d Jeffy Chen    2017-04-05  25  	entry = resource_list_create_entry(NULL, 0);
14d76b68 Jiang Liu     2015-02-05  26  	if (!entry) {
0efd5aab Bjorn Helgaas 2012-02-23  27  		printk(KERN_ERR "PCI: can't add host bridge window %pR\n", res);
45ca9e97 Bjorn Helgaas 2011-10-28  28  		return;
45ca9e97 Bjorn Helgaas 2011-10-28  29  	}
45ca9e97 Bjorn Helgaas 2011-10-28  30  
fa904d0d Jeffy Chen    2017-04-05  31  	if (res->flags & IORESOURCE_AUTO)
fa904d0d Jeffy Chen    2017-04-05  32  		*entry->res = *res;
fa904d0d Jeffy Chen    2017-04-05  33  	else
fa904d0d Jeffy Chen    2017-04-05  34  		entry->res = res
fa904d0d Jeffy Chen    2017-04-05  35  
14d76b68 Jiang Liu     2015-02-05 @36  	entry->offset = offset;
14d76b68 Jiang Liu     2015-02-05  37  	resource_list_add_tail(entry, resources);
0efd5aab Bjorn Helgaas 2012-02-23  38  }
0efd5aab Bjorn Helgaas 2012-02-23  39  EXPORT_SYMBOL(pci_add_resource_offset);
0efd5aab Bjorn Helgaas 2012-02-23  40  
0efd5aab Bjorn Helgaas 2012-02-23  41  void pci_add_resource(struct list_head *resources, struct resource *res)
0efd5aab Bjorn Helgaas 2012-02-23  42  {
0efd5aab Bjorn Helgaas 2012-02-23  43  	pci_add_resource_offset(resources, res, 0);
45ca9e97 Bjorn Helgaas 2011-10-28  44  }

:::::: The code at line 36 was first introduced by commit
:::::: 14d76b68f2819a1d0b50236a7e9e9f2ea69869d9 PCI: Use common resource list management code instead of private implementation

:::::: TO: Jiang Liu <jiang.liu@...ux.intel.com>
:::::: CC: Rafael J. Wysocki <rafael.j.wysocki@...el.com>

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