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Peter Anvin" , "Rafael J. Wysocki" , Andrew Morton , Stas Sergeev , linux-kernel@vger.kernel.org Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Linux Memory Management List , stable@vger.kernel.org Subject: Re: [PATCH] x86/rtc: fix failed fallback RTC device registration handling Message-ID: <202604300652.WxTbaLDu-lkp@intel.com> References: <20260415193455.3869807-1-lgs201920130244@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260415193455.3869807-1-lgs201920130244@gmail.com> X-Stat-Signature: u1z47jgd5ackpnqm8wc918xh8wi5c9x1 X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 46542160012 X-Rspam-User: X-HE-Tag: 1777502409-291408 X-HE-Meta: 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 gVce7iYr sNJ0GzO7WEuuAHegc7MX+A8DE53n+W7+OZVTaQ12wXfU2o8UrQqgeeVmSzXDYvpTDuZEsGyDb224K9cTzYpYJ+ALuT6nEqzb+LDH9IH3Wyh2bDbQHoUL9iwsB3zn6FBFFRa75ttYw485mcQl1YBwKVgyySnYcqh5iJB/Wrft2U8i7u4jqCHOSmP+s8T4MoQS/UU84bg3QoZAfru/9rpEWEcVt3kvn95s1jbx8hxHbfaBam7pLngcZAGPd/WIjlouoruCa0N+yO9n4mpKxRcHcl8RKr6IrTFKLXe/Reg8VP5gYK3CXyKWXHGwFpViq+vSFg271jyev0YzfllFb0BGwPC6BDs7i5hd4VvADglyBhGAhBWSPwRf1En1EIpMv/zhYtzKG Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Hi Guangshuo, kernel test robot noticed the following build errors: [auto build test ERROR on tip/master] [also build test ERROR on linus/master v7.1-rc1 next-20260429] [cannot apply to tip/auto-latest tip/x86/core bp/for-next] [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#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Guangshuo-Li/x86-rtc-fix-failed-fallback-RTC-device-registration-handling/20260416-130623 base: tip/master patch link: https://lore.kernel.org/r/20260415193455.3869807-1-lgs201920130244%40gmail.com patch subject: [PATCH] x86/rtc: fix failed fallback RTC device registration handling config: x86_64-allnoconfig (https://download.01.org/0day-ci/archive/20260430/202604300652.WxTbaLDu-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260430/202604300652.WxTbaLDu-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202604300652.WxTbaLDu-lkp@intel.com/ All errors (new ones prefixed by >>): >> arch/x86/kernel/rtc.c:142:2: error: use of undeclared identifier 'ret' 142 | ret = platform_device_register(&rtc_device); | ^ arch/x86/kernel/rtc.c:143:6: error: use of undeclared identifier 'ret' 143 | if (ret) { | ^ arch/x86/kernel/rtc.c:145:10: error: use of undeclared identifier 'ret' 145 | return ret; | ^ 3 errors generated. vim +/ret +142 arch/x86/kernel/rtc.c 133 134 static __init int add_rtc_cmos(void) 135 { 136 if (cmos_rtc_platform_device_present) 137 return 0; 138 139 if (!x86_platform.legacy.rtc) 140 return -ENODEV; 141 > 142 ret = platform_device_register(&rtc_device); -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki