linux-kernel - Re: [PATCH 3/3] libnvdimm, region_devs: reset related seeds when fail to create namespace

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Date:   Tue, 11 Sep 2018 08:40:15 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Ocean He <oceanhehy@...il.com>
Cc:     kbuild-all@...org, dan.j.williams@...el.com, zwisler@...nel.org,
        vishal.l.verma@...el.com, dave.jiang@...el.com,
        linux-nvdimm@...ts.01.org, linux-kernel@...r.kernel.org,
        Ocean He <hehy1@...ovo.com>
Subject: Re: [PATCH 3/3] libnvdimm, region_devs: reset related seeds when
 fail to create namespace

Hi Ocean,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on linux-nvdimm/libnvdimm-for-next]
[also build test WARNING on v4.19-rc3 next-20180910]
[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/Ocean-He/libnvdimm-reset-seeds-for-next-namespace-creation/20180911-005505
base:   https://git.kernel.org/pub/scm/linux/kernel/git/nvdimm/nvdimm.git libnvdimm-for-next
reproduce:
        # apt-get install sparse
        make ARCH=x86_64 allmodconfig
        make C=1 CF=-D__CHECK_ENDIAN__


sparse warnings: (new ones prefixed by >>)

   drivers/nvdimm/region_devs.c:84:29: sparse: expression using sizeof(void)
   drivers/nvdimm/region_devs.c:84:29: sparse: expression using sizeof(void)
   drivers/nvdimm/region_devs.c:405:37: sparse: expression using sizeof(void)
   drivers/nvdimm/region_devs.c:405:37: sparse: expression using sizeof(void)
>> drivers/nvdimm/region_devs.c:710:6: sparse: symbol 'nd_region_detach_and_reset' was not declared. Should it be static?
   drivers/nvdimm/region_devs.c:1127:31: sparse: expression using sizeof(void)
   drivers/nvdimm/region_devs.c:985:9: sparse: context imbalance in 'nd_region_acquire_lane' - wrong count at exit
   drivers/nvdimm/region_devs.c:998:36: sparse: context imbalance in 'nd_region_release_lane' - unexpected unlock

Please review and possibly fold the followup patch.

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