linux-kernel - fs/overlayfs/copy_up.o: warning: objtool: ovl_copy_up_tmpfile() falls through to next function ovl_create

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Date: Mon, 26 Feb 2024 05:25:25 +0800
From: kernel test robot <lkp@...el.com>
To: Amir Goldstein <amir73il@...il.com>
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: fs/overlayfs/copy_up.o: warning: objtool: ovl_copy_up_tmpfile()
 falls through to next function ovl_create_index.cold()

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   70ff1fe626a166dcaadb5a81bfe75e22c91f5dbf
commit: 5b02bfc1e7e3811c5bf7f0fa626a0694d0dbbd77 ovl: do not encode lower fh with upper sb_writers held
date:   4 months ago
config: x86_64-buildonly-randconfig-r001-20230616 (https://download.01.org/0day-ci/archive/20240226/202402260556.0rujs05e-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240226/202402260556.0rujs05e-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 <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202402260556.0rujs05e-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> fs/overlayfs/copy_up.o: warning: objtool: ovl_copy_up_tmpfile() falls through to next function ovl_create_index.cold()

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki