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Date: Tue, 8 May 2018 20:12:26 +0800
From: Baoquan He <bhe@...hat.com>
To: kbuild test robot <lkp@...el.com>
Cc: kbuild-all@...org, linux-kernel@...r.kernel.org,
akpm@...ux-foundation.org, robh+dt@...nel.org,
dan.j.williams@...el.com, nicolas.pitre@...aro.org,
josh@...htriplett.org, fengguang.wu@...el.com, bp@...e.de,
patrik.r.jakobsson@...il.com, airlied@...ux.ie, kys@...rosoft.com,
haiyangz@...rosoft.com, sthemmin@...rosoft.com,
dmitry.torokhov@...il.com, frowand.list@...il.com,
keith.busch@...el.com, jonathan.derrick@...el.com,
lorenzo.pieralisi@....com, bhelgaas@...gle.com, tglx@...utronix.de,
brijesh.singh@....com, jglisse@...hat.com, thomas.lendacky@....com,
gregkh@...uxfoundation.org, baiyaowei@...s.chinamobile.com,
richard.weiyang@...il.com, devel@...uxdriverproject.org,
linux-input@...r.kernel.org, linux-nvdimm@...ts.01.org,
devicetree@...r.kernel.org, linux-pci@...r.kernel.org,
ebiederm@...ssion.com, vgoyal@...hat.com, dyoung@...hat.com,
yinghai@...nel.org, kexec@...ts.infradead.org, monstr@...str.eu,
davem@...emloft.net, chris@...kel.net, jcmvbkbc@...il.com,
gustavo@...ovan.org, maarten.lankhorst@...ux.intel.com,
seanpaul@...omium.org, linux-parisc@...r.kernel.org
Subject: Re: [PATCH v4 1/3] resource: Use list_head to link sibling resource
On 05/07/18 at 11:50pm, kbuild test robot wrote:
> Hi Baoquan,
>
> I love your patch! Yet something to improve:
>
> [auto build test ERROR on linus/master]
> [also build test ERROR on v4.17-rc4 next-20180504]
> [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/Baoquan-He/resource-Use-list_head-to-link-sibling-resource/20180507-144345
> config: arm-allmodconfig (attached as .config)
> compiler: arm-linux-gnueabi-gcc (Debian 7.2.0-11) 7.2.0
> reproduce:
> wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
> chmod +x ~/bin/make.cross
> # save the attached .config to linux build tree
> make.cross ARCH=arm
>
> All errors (new ones prefixed by >>):
Thanks, below patch can fix it:
diff --git a/arch/arm/plat-samsung/pm-check.c b/arch/arm/plat-samsung/pm-check.c
index cd2c02c68bc3..5494355b1c49 100644
--- a/arch/arm/plat-samsung/pm-check.c
+++ b/arch/arm/plat-samsung/pm-check.c
@@ -46,8 +46,8 @@ typedef u32 *(run_fn_t)(struct resource *ptr, u32 *arg);
static void s3c_pm_run_res(struct resource *ptr, run_fn_t fn, u32 *arg)
{
while (ptr != NULL) {
- if (ptr->child != NULL)
- s3c_pm_run_res(ptr->child, fn, arg);
+ if (!list_empty(&ptr->child))
+ s3c_pm_run_res(resource_first_child(&ptr->child), fn, arg);
if ((ptr->flags & IORESOURCE_SYSTEM_RAM)
== IORESOURCE_SYSTEM_RAM) {
@@ -57,7 +57,7 @@ static void s3c_pm_run_res(struct resource *ptr, run_fn_t fn, u32 *arg)
arg = (fn)(ptr, arg);
}
- ptr = ptr->sibling;
+ ptr = resource_sibling(ptr);
}
}
>
> arch/arm/plat-samsung/pm-check.c: In function 's3c_pm_run_res':
> >> arch/arm/plat-samsung/pm-check.c:49:18: error: invalid operands to binary != (have 'struct list_head' and 'void *')
> if (ptr->child != NULL)
> ~~~~~~~~~~ ^~
> >> arch/arm/plat-samsung/pm-check.c:50:19: error: incompatible type for argument 1 of 's3c_pm_run_res'
> s3c_pm_run_res(ptr->child, fn, arg);
> ^~~
> arch/arm/plat-samsung/pm-check.c:46:13: note: expected 'struct resource *' but argument is of type 'struct list_head'
> static void s3c_pm_run_res(struct resource *ptr, run_fn_t fn, u32 *arg)
> ^~~~~~~~~~~~~~
> >> arch/arm/plat-samsung/pm-check.c:60:7: error: incompatible types when assigning to type 'struct resource *' from type 'struct list_head'
> ptr = ptr->sibling;
> ^
>
> vim +49 arch/arm/plat-samsung/pm-check.c
>
> 549c7e33 arch/arm/plat-s3c/pm-check.c Ben Dooks 2008-12-12 45
> 549c7e33 arch/arm/plat-s3c/pm-check.c Ben Dooks 2008-12-12 46 static void s3c_pm_run_res(struct resource *ptr, run_fn_t fn, u32 *arg)
> 549c7e33 arch/arm/plat-s3c/pm-check.c Ben Dooks 2008-12-12 47 {
> 549c7e33 arch/arm/plat-s3c/pm-check.c Ben Dooks 2008-12-12 48 while (ptr != NULL) {
> 549c7e33 arch/arm/plat-s3c/pm-check.c Ben Dooks 2008-12-12 @49 if (ptr->child != NULL)
> 549c7e33 arch/arm/plat-s3c/pm-check.c Ben Dooks 2008-12-12 @50 s3c_pm_run_res(ptr->child, fn, arg);
> 549c7e33 arch/arm/plat-s3c/pm-check.c Ben Dooks 2008-12-12 51
> 05fee7cf arch/arm/plat-samsung/pm-check.c Toshi Kani 2016-01-26 52 if ((ptr->flags & IORESOURCE_SYSTEM_RAM)
> 05fee7cf arch/arm/plat-samsung/pm-check.c Toshi Kani 2016-01-26 53 == IORESOURCE_SYSTEM_RAM) {
> 549c7e33 arch/arm/plat-s3c/pm-check.c Ben Dooks 2008-12-12 54 S3C_PMDBG("Found system RAM at %08lx..%08lx\n",
> 840eeeb8 arch/arm/plat-s3c/pm-check.c Ben Dooks 2008-12-12 55 (unsigned long)ptr->start,
> 840eeeb8 arch/arm/plat-s3c/pm-check.c Ben Dooks 2008-12-12 56 (unsigned long)ptr->end);
> 549c7e33 arch/arm/plat-s3c/pm-check.c Ben Dooks 2008-12-12 57 arg = (fn)(ptr, arg);
> 549c7e33 arch/arm/plat-s3c/pm-check.c Ben Dooks 2008-12-12 58 }
> 549c7e33 arch/arm/plat-s3c/pm-check.c Ben Dooks 2008-12-12 59
> 549c7e33 arch/arm/plat-s3c/pm-check.c Ben Dooks 2008-12-12 @60 ptr = ptr->sibling;
> 549c7e33 arch/arm/plat-s3c/pm-check.c Ben Dooks 2008-12-12 61 }
> 549c7e33 arch/arm/plat-s3c/pm-check.c Ben Dooks 2008-12-12 62 }
> 549c7e33 arch/arm/plat-s3c/pm-check.c Ben Dooks 2008-12-12 63
>
> :::::: The code at line 49 was first introduced by commit
> :::::: 549c7e33aeb9bfe441ecf68639d2227bb90978e7 [ARM] S3C: Split the resume memory check code from pm.c
>
> :::::: TO: Ben Dooks <ben-linux@...ff.org>
> :::::: CC: Ben Dooks <ben-linux@...ff.org>
>
> ---
> 0-DAY kernel test infrastructure Open Source Technology Center
> https://lists.01.org/pipermail/kbuild-all Intel Corporation
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