Messages in this thread | | | Date | Sat, 6 Nov 2021 23:00:11 +0800 | From | kernel test robot <> | Subject | [robh:mpam/cache-id 12/12] arch/x86/kernel/devicetree.c:142:6: error: unused variable 'ret' |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git mpam/cache-id head: 4dec66d0c19165b654cca2ce8810615f61709693 commit: 4dec66d0c19165b654cca2ce8810615f61709693 [12/12] x86: Use of_get_cpu_hwid() config: i386-allyesconfig (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git/commit/?id=4dec66d0c19165b654cca2ce8810615f61709693 git remote add robh https://git.kernel.org/pub/scm/linux/kernel/git/robh/linux.git git fetch --no-tags robh mpam/cache-id git checkout 4dec66d0c19165b654cca2ce8810615f61709693 # save the attached .config to linux build tree make W=1 ARCH=i386
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All errors (new ones prefixed by >>):
arch/x86/kernel/devicetree.c: In function 'dtb_cpu_setup': >> arch/x86/kernel/devicetree.c:142:6: error: unused variable 'ret' [-Werror=unused-variable] 142 | int ret; | ^~~ cc1: all warnings being treated as errors
vim +/ret +142 arch/x86/kernel/devicetree.c
4e07db9c8db87e Ivan Gorinov 2018-03-22 137 4e07db9c8db87e Ivan Gorinov 2018-03-22 138 static void __init dtb_cpu_setup(void) 4e07db9c8db87e Ivan Gorinov 2018-03-22 139 { 4e07db9c8db87e Ivan Gorinov 2018-03-22 140 struct device_node *dn; 4e07db9c8db87e Ivan Gorinov 2018-03-22 141 u32 apic_id, version; 4e07db9c8db87e Ivan Gorinov 2018-03-22 @142 int ret; 4e07db9c8db87e Ivan Gorinov 2018-03-22 143 4e07db9c8db87e Ivan Gorinov 2018-03-22 144 version = GET_APIC_VERSION(apic_read(APIC_LVR)); 7de8f4aa2f3558 Rob Herring 2018-08-27 145 for_each_of_cpu_node(dn) { 4dec66d0c19165 Rob Herring 2021-10-05 146 apic_id = of_get_cpu_hwid(dn, 0); 4dec66d0c19165 Rob Herring 2021-10-05 147 if (apic_id == ~0U) { 4e07db9c8db87e Ivan Gorinov 2018-03-22 148 pr_warn("%pOF: missing local APIC ID\n", dn); 4e07db9c8db87e Ivan Gorinov 2018-03-22 149 continue; 4e07db9c8db87e Ivan Gorinov 2018-03-22 150 } 4e07db9c8db87e Ivan Gorinov 2018-03-22 151 generic_processor_info(apic_id, version); 4e07db9c8db87e Ivan Gorinov 2018-03-22 152 } 4e07db9c8db87e Ivan Gorinov 2018-03-22 153 } 4e07db9c8db87e Ivan Gorinov 2018-03-22 154
:::::: The code at line 142 was first introduced by commit :::::: 4e07db9c8db87e3b71be4c3cd626ddc9bacd5a1e x86/devicetree: Use CPU description from Device Tree
:::::: TO: Ivan Gorinov <ivan.gorinov@intel.com> :::::: CC: Thomas Gleixner <tglx@linutronix.de>
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