From: kernel test robot <lkp@intel.com>
To: Jason Gunthorpe <jgg@nvidia.com>
Cc: kbuild-all@lists.01.org, linux-kernel@vger.kernel.org
Subject: [jgunthorpe:iommufd 31/31] drivers/iommu/iommufd/device.c:122:40: warning: variable 'ioaspt' set but not used
Date: Wed, 9 Feb 2022 13:20:43 +0800 [thread overview]
Message-ID: <202202091306.YxErokC5-lkp@intel.com> (raw)
tree: https://github.com/jgunthorpe/linux iommufd
head: 6b5b3f20ed6b64824c2d447b4f4555fcb390bf3b
commit: 6b5b3f20ed6b64824c2d447b4f4555fcb390bf3b [31/31] mad musings
config: arc-allyesconfig (https://download.01.org/0day-ci/archive/20220209/202202091306.YxErokC5-lkp@intel.com/config)
compiler: arceb-elf-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/jgunthorpe/linux/commit/6b5b3f20ed6b64824c2d447b4f4555fcb390bf3b
git remote add jgunthorpe https://github.com/jgunthorpe/linux
git fetch --no-tags jgunthorpe iommufd
git checkout 6b5b3f20ed6b64824c2d447b4f4555fcb390bf3b
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash drivers/iommu/iommufd/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
drivers/iommu/iommufd/device.c: In function 'iommufd_device_attach_sw':
>> drivers/iommu/iommufd/device.c:122:40: warning: variable 'ioaspt' set but not used [-Wunused-but-set-variable]
122 | struct iommufd_ioas_pagetable *ioaspt;
| ^~~~~~
vim +/ioaspt +122 drivers/iommu/iommufd/device.c
119
120 static int iommufd_device_attach_sw(struct iommufd_device *idev, u32 *pt_id)
121 {
> 122 struct iommufd_ioas_pagetable *ioaspt;
123 struct iommufd_object *obj;
124
125 obj = iommufd_get_object(idev->ictx, *pt_id,
126 IOMMUFD_OBJ_IOAS_PAGETABLE);
127 if (IS_ERR(obj))
128 return PTR_ERR(obj);
129 ioaspt = container_of(obj, struct iommufd_ioas_pagetable, obj);
130 iommufd_put_object_keep_user(obj);
131 //idev->ioaspt = ioaspt;
132 return 0;
133 }
134
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
reply other threads:[~2022-02-09 5:27 UTC|newest]
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