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a="12337503" X-IronPort-AV: E=Sophos;i="6.08,171,1712646000"; d="scan'208";a="12337503" Received: from orviesa008.jf.intel.com ([10.64.159.148]) by orvoesa108.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 May 2024 11:20:29 -0700 X-CSE-ConnectionGUID: S2zvM12VQ7mtvCl/+zNgAg== X-CSE-MsgGUID: HJNdUZvOQi+6PWqTXsHXtA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,171,1712646000"; d="scan'208";a="32687004" Received: from unknown (HELO 108735ec233b) ([10.239.97.151]) by orviesa008.jf.intel.com with ESMTP; 18 May 2024 11:20:27 -0700 Received: from kbuild by 108735ec233b with local (Exim 4.96) (envelope-from ) id 1s8OfR-0002UC-1A; Sat, 18 May 2024 18:20:25 +0000 Date: Sun, 19 May 2024 02:19:33 +0800 From: kernel test robot To: Daniel Berlin Cc: oe-kbuild-all@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Janne Grunau Subject: [arm-platforms:kvm-arm64/mmu-pgt 773/874] arch/arc/include/uapi/asm/swab.h:28:9: warning: 'txchain' is used uninitialized Message-ID: <202405190213.5s1Al3aa-lkp@intel.com> MIME-Version: 1.0 Content-Disposition: inline X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240518_112036_636542_44931120 X-CRM114-Status: GOOD ( 10.16 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git kvm-arm64/mmu-pgt head: 1ed29f79e7c6441ef29c25a43d7c82d91e884dcc commit: e529bcaa17060f516d1e4f345ea460ea206317d1 [773/874] [brcmfmac] Compute number of available antennas and set it in wiphy structure. config: arc-allmodconfig (https://download.01.org/0day-ci/archive/20240519/202405190213.5s1Al3aa-lkp@intel.com/config) compiler: arceb-elf-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240519/202405190213.5s1Al3aa-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/202405190213.5s1Al3aa-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from include/uapi/linux/swab.h:8, from include/linux/swab.h:5, from include/uapi/linux/byteorder/big_endian.h:14, from include/linux/byteorder/big_endian.h:5, from arch/arc/include/uapi/asm/byteorder.h:14, from include/asm-generic/bitops/le.h:6, from arch/arc/include/asm/bitops.h:192, from include/linux/bitops.h:68, from include/linux/kernel.h:23, from drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c:8: In function '__fswab32', inlined from 'brcmf_fil_iovar_int_get' at drivers/net/wireless/broadcom/brcm80211/brcmfmac/fwil.h:123:19, inlined from 'brcmf_setup_wiphybands' at drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c:7359:8: >> arch/arc/include/uapi/asm/swab.h:28:9: warning: 'txchain' is used uninitialized [-Wuninitialized] 28 | __asm__( \ | ^~~~~~~ include/uapi/linux/swab.h:60:16: note: in expansion of macro '__arch_swab32' 60 | return __arch_swab32(val); | ^~~~~~~~~~~~~ drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c: In function 'brcmf_setup_wiphybands': drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c:7316:13: note: 'txchain' was declared here 7316 | u32 txchain; | ^~~~~~~ vim +/txchain +28 arch/arc/include/uapi/asm/swab.h ca15c8ecd588dd arch/arc/include/asm/swab.h Vineet Gupta 2013-01-18 24 ca15c8ecd588dd arch/arc/include/asm/swab.h Vineet Gupta 2013-01-18 25 #define __arch_swab32(x) \ ca15c8ecd588dd arch/arc/include/asm/swab.h Vineet Gupta 2013-01-18 26 ({ \ ca15c8ecd588dd arch/arc/include/asm/swab.h Vineet Gupta 2013-01-18 27 unsigned int tmp = x; \ ca15c8ecd588dd arch/arc/include/asm/swab.h Vineet Gupta 2013-01-18 @28 __asm__( \ ca15c8ecd588dd arch/arc/include/asm/swab.h Vineet Gupta 2013-01-18 29 " swape %0, %1 \n" \ ca15c8ecd588dd arch/arc/include/asm/swab.h Vineet Gupta 2013-01-18 30 : "=r" (tmp) \ ca15c8ecd588dd arch/arc/include/asm/swab.h Vineet Gupta 2013-01-18 31 : "r" (tmp)); \ ca15c8ecd588dd arch/arc/include/asm/swab.h Vineet Gupta 2013-01-18 32 tmp; \ ca15c8ecd588dd arch/arc/include/asm/swab.h Vineet Gupta 2013-01-18 33 }) ca15c8ecd588dd arch/arc/include/asm/swab.h Vineet Gupta 2013-01-18 34 :::::: The code at line 28 was first introduced by commit :::::: ca15c8ecd588dda4377d18d6d27bc1e87b4177cb ARC: Checksum/byteorder/swab routines :::::: TO: Vineet Gupta :::::: CC: Vineet Gupta -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel