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X-CSE-ConnectionGUID: jN9ptIrBRqu9iod/4nVSow== X-CSE-MsgGUID: C1dfL3W9TMy43r8uPFSdNA== X-IronPort-AV: E=McAfee;i="6800,10657,11697"; a="75769621" X-IronPort-AV: E=Sophos;i="6.21,283,1763452800"; d="scan'208";a="75769621" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by fmvoesa106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 10 Feb 2026 20:01:24 -0800 X-CSE-ConnectionGUID: JhS3mh/LRdS2er+W+RH8hQ== X-CSE-MsgGUID: 05T6xvLjSpuEXUm7xQs7Gw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,283,1763452800"; d="scan'208";a="211739814" Received: from igk-lkp-server01.igk.intel.com (HELO e5404a91d123) ([10.211.93.152]) by fmviesa008.fm.intel.com with ESMTP; 10 Feb 2026 20:01:22 -0800 Received: from kbuild by e5404a91d123 with local (Exim 4.98.2) (envelope-from ) id 1vq1Pk-00000000105-0Fxd; Wed, 11 Feb 2026 04:01:20 +0000 Date: Wed, 11 Feb 2026 05:01:03 +0100 From: kernel test robot To: Ethan Ferguson Cc: oe-kbuild-all@lists.linux.dev, 0day robot Subject: fs/fat/dir.c:121:13: warning: 'bh' is used uninitialized Message-ID: <202602110537.1DPbicra-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://github.com/intel-lab-lkp/linux/commits/Ethan-Ferguson/fat-Add-FS_IOC_GETFSLABEL-ioctl/20260211-062606 head: 70cd4ab45a99c9830702281d9b29fcf07a4dcff8 commit: 70cd4ab45a99c9830702281d9b29fcf07a4dcff8 fat: Add FS_IOC_SETFSLABEL ioctl date: 6 hours ago config: x86_64-rhel-9.4 (https://download.01.org/0day-ci/archive/20260211/202602110537.1DPbicra-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260211/202602110537.1DPbicra-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/202602110537.1DPbicra-lkp@intel.com/ All warnings (new ones prefixed by >>): In function 'fat_get_entry', inlined from 'fat_rename_volume_label_dentry' at fs/fat/dir.c:1435:7: >> fs/fat/dir.c:121:13: warning: 'bh' is used uninitialized [-Wuninitialized] 121 | if (*bh && *de && | ^~~ fs/fat/dir.c: In function 'fat_rename_volume_label_dentry': fs/fat/dir.c:1430:29: note: 'bh' declared here 1430 | struct buffer_head *bh; | ^~ vim +/bh +121 fs/fat/dir.c ^1da177e4c3f415 Linus Torvalds 2005-04-16 115 ^1da177e4c3f415 Linus Torvalds 2005-04-16 116 static inline int fat_get_entry(struct inode *dir, loff_t *pos, ^1da177e4c3f415 Linus Torvalds 2005-04-16 117 struct buffer_head **bh, ^1da177e4c3f415 Linus Torvalds 2005-04-16 118 struct msdos_dir_entry **de) ^1da177e4c3f415 Linus Torvalds 2005-04-16 119 { ^1da177e4c3f415 Linus Torvalds 2005-04-16 120 /* Fast stuff first */ ^1da177e4c3f415 Linus Torvalds 2005-04-16 @121 if (*bh && *de && f08b4988f229fb4 Cruz Julian Bishop 2012-10-04 122 (*de - (struct msdos_dir_entry *)(*bh)->b_data) < f08b4988f229fb4 Cruz Julian Bishop 2012-10-04 123 MSDOS_SB(dir->i_sb)->dir_per_block - 1) { ^1da177e4c3f415 Linus Torvalds 2005-04-16 124 *pos += sizeof(struct msdos_dir_entry); ^1da177e4c3f415 Linus Torvalds 2005-04-16 125 (*de)++; ^1da177e4c3f415 Linus Torvalds 2005-04-16 126 return 0; ^1da177e4c3f415 Linus Torvalds 2005-04-16 127 } ^1da177e4c3f415 Linus Torvalds 2005-04-16 128 return fat__get_entry(dir, pos, bh, de); ^1da177e4c3f415 Linus Torvalds 2005-04-16 129 } ^1da177e4c3f415 Linus Torvalds 2005-04-16 130 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki