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From: kernel test robot <lkp@intel.com>
To: Olga Kornievskaia <olga.kornievskaia@gmail.com>,
	trond.myklebust@hammerspace.com, anna.schumaker@netapp.com
Cc: kbuild-all@lists.01.org, linux-nfs@vger.kernel.org
Subject: Re: [PATCH 11/13] sunrpc: add dst_attr attributes to the sysfs xprt directory
Date: Thu, 15 Apr 2021 12:31:37 +0800	[thread overview]
Message-ID: <202104151231.A9zq6PA8-lkp@intel.com> (raw)
In-Reply-To: <20210415022802.31692-12-olga.kornievskaia@gmail.com>

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Hi Olga,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on nfs/linux-next]
[also build test WARNING on nfsd/nfsd-next v5.12-rc7 next-20210414]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Olga-Kornievskaia/create-sysfs-files-for-changing-IP-address/20210415-102946
base:   git://git.linux-nfs.org/projects/trondmy/linux-nfs.git linux-next
config: i386-randconfig-s001-20210414 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.3-280-g2cd6d34e-dirty
        # https://github.com/0day-ci/linux/commit/c5b3ebaffb5ca80f6c6170e8ecd2dfc9494880bf
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Olga-Kornievskaia/create-sysfs-files-for-changing-IP-address/20210415-102946
        git checkout c5b3ebaffb5ca80f6c6170e8ecd2dfc9494880bf
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=i386 

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


sparse warnings: (new ones prefixed by >>)
>> net/sunrpc/sysfs.c:56:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
>> net/sunrpc/sysfs.c:56:25: sparse:    struct rpc_xprt [noderef] __rcu *
>> net/sunrpc/sysfs.c:56:25: sparse:    struct rpc_xprt *
>> net/sunrpc/sysfs.c:56:25: sparse: sparse: incompatible types in comparison expression (different address spaces):
>> net/sunrpc/sysfs.c:56:25: sparse:    struct rpc_xprt [noderef] __rcu *
>> net/sunrpc/sysfs.c:56:25: sparse:    struct rpc_xprt *

vim +56 net/sunrpc/sysfs.c

    47	
    48	static inline struct rpc_xprt *
    49	rpc_sysfs_xprt_kobj_get_xprt(struct kobject *kobj)
    50	{
    51		struct rpc_sysfs_xprt_switch_xprt *x = container_of(kobj,
    52			struct rpc_sysfs_xprt_switch_xprt, kobject);
    53		struct rpc_xprt *xprt;
    54	
    55		rcu_read_lock();
  > 56		xprt = xprt_get(rcu_dereference(x->xprt));
    57		rcu_read_unlock();
    58		return xprt;
    59	}
    60	

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

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  reply	other threads:[~2021-04-15  4:32 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-15  2:27 [PATCH 00/13] create sysfs files for changing IP address Olga Kornievskaia
2021-04-15  2:27 ` [PATCH 01/13] sunrpc: Create a sunrpc directory under /sys/kernel/ Olga Kornievskaia
2021-04-15  2:27 ` [PATCH 02/13] sunrpc: Create a client/ subdirectory in the sunrpc sysfs Olga Kornievskaia
2021-04-15  2:27 ` [PATCH 03/13] sunrpc: Create per-rpc_clnt sysfs kobjects Olga Kornievskaia
2021-04-15  2:27 ` [PATCH 04/13] sunrpc: Prepare xs_connect() for taking NULL tasks Olga Kornievskaia
2021-04-15  2:27 ` [PATCH 05/13] sunrpc: add xprt id Olga Kornievskaia
2021-04-15  2:27 ` [PATCH 06/13] sunrpc: add IDs to multipath Olga Kornievskaia
2021-04-15  2:27 ` [PATCH 07/13] sunrpc: keep track of the xprt_class in rpc_xprt structure Olga Kornievskaia
2021-04-15  6:34   ` kernel test robot
2021-04-16  0:42   ` kernel test robot
2021-04-15  2:27 ` [PATCH 08/13] sunrpc: add xprt_switch direcotry to sunrpc's sysfs Olga Kornievskaia
2021-04-15  2:27 ` [PATCH 09/13] sunrpc: add a symlink from rpc-client directory to the xprt_switch Olga Kornievskaia
2021-04-15  4:56   ` kernel test robot
2021-04-15  2:27 ` [PATCH 10/13] sunrpc: add add sysfs directory per xprt under each xprt_switch Olga Kornievskaia
2021-04-15  2:28 ` [PATCH 11/13] sunrpc: add dst_attr attributes to the sysfs xprt directory Olga Kornievskaia
2021-04-15  4:31   ` kernel test robot [this message]
2021-04-15  2:28 ` [PATCH 12/13] sunrpc: provide transport info in the sysfs directory Olga Kornievskaia
2021-04-15  2:28 ` [PATCH 13/13] sunrpc: provide multipath " Olga Kornievskaia

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