Messages in this thread | | | Date | Thu, 18 Nov 2021 02:17:22 +0800 | From | kernel test robot <> | Subject | [jgunthorpe:iommufd 7/8] drivers/iommu/iommufd/device.c:121:40: warning: variable 'ioaspt' set but not used |
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tree: https://github.com/jgunthorpe/linux iommufd head: 4d06b5807e799e0293171d872d8c1a40f3b466c5 commit: 1f7a895af0da6f3df99882a45562e0fcd4812365 [7/8] mad musings config: arc-allyesconfig (attached as .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/1f7a895af0da6f3df99882a45562e0fcd4812365 git remote add jgunthorpe https://github.com/jgunthorpe/linux git fetch --no-tags jgunthorpe iommufd git checkout 1f7a895af0da6f3df99882a45562e0fcd4812365 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross ARCH=arc
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:121:40: warning: variable 'ioaspt' set but not used [-Wunused-but-set-variable] 121 | struct iommufd_ioas_pagetable *ioaspt; | ^~~~~~
vim +/ioaspt +121 drivers/iommu/iommufd/device.c
118 119 static int iommufd_device_attach_sw(struct iommufd_device *idev, u32 *pt_id) 120 { > 121 struct iommufd_ioas_pagetable *ioaspt; 122 struct iommufd_object *obj; 123 124 obj = iommufd_get_object(idev->ictx, *pt_id, 125 IOMMUFD_OBJ_IOAS_PAGETABLE); 126 if (IS_ERR(obj)) 127 return PTR_ERR(obj); 128 ioaspt = container_of(obj, struct iommufd_ioas_pagetable, obj); 129 iommufd_put_object_keep_user(obj); 130 //idev->ioaspt = ioaspt; 131 return 0; 132 } 133
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