linux-kernel - [dhowells-fs:netfs-folio 5/6] fs/9p/vfs_file.c:564:1: warning: unused label 'out'

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Message-ID: <202111021155.fGMmHZQE-lkp@intel.com>
Date:   Tue, 2 Nov 2021 11:16:03 +0800
From:   kernel test robot <lkp@...el.com>
To:     David Howells <dhowells@...hat.com>
Cc:     llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
        linux-kernel@...r.kernel.org, Jeff Layton <jlayton@...nel.org>
Subject: [dhowells-fs:netfs-folio 5/6] fs/9p/vfs_file.c:564:1: warning:
 unused label 'out'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git netfs-folio
head:   3ce8c87a69a9d67778ec2b31543ded42147da837
commit: efccabcb40444cc288a5ce6817fbe2407d6ed961 [5/6] netfs, 9p, afs, ceph: Use folios
config: hexagon-randconfig-r045-20211101 (attached as .config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 264d3b6d4e08401c5b50a85bd76e80b3461d77e6)
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://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git/commit/?id=efccabcb40444cc288a5ce6817fbe2407d6ed961
        git remote add dhowells-fs https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git
        git fetch --no-tags dhowells-fs netfs-folio
        git checkout efccabcb40444cc288a5ce6817fbe2407d6ed961
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 ARCH=hexagon 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> fs/9p/vfs_file.c:564:1: warning: unused label 'out' [-Wunused-label]
   out:
   ^~~~
   1 warning generated.


vim +/out +564 fs/9p/vfs_file.c

   550	
   551		/* Update file times before taking page lock */
   552		file_update_time(filp);
   553	
   554		BUG_ON(!v9inode->writeback_fid);
   555		if (folio_lock_killable(folio) < 0)
   556			return VM_FAULT_RETRY;
   557		if (folio_mapping(folio) != inode->i_mapping)
   558			goto out_unlock;
   559		folio_wait_stable(folio);
   560	
   561		return VM_FAULT_LOCKED;
   562	out_unlock:
   563		folio_unlock(folio);
 > 564	out:
   565		return VM_FAULT_NOPAGE;
   566	}
   567	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (39843 bytes)