tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 33e1d31873f87d119e5120b88cd350efa68ef276 commit: 6cac4ea940896aa83f82e01fa22965f51a6158bc [8227/9575] libfs: add path_from_stashed() config: hexagon-randconfig-r113-20240226 (https://download.01.org/0day-ci/archive/20240226/202402261334.nvl11hSF-lkp@xxxxxxxxx/config) compiler: clang version 19.0.0git (https://github.com/llvm/llvm-project edd4aee4dd9b5b98b2576a6f783e4086173d902a) reproduce: (https://download.01.org/0day-ci/archive/20240226/202402261334.nvl11hSF-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202402261334.nvl11hSF-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> fs/libfs.c:2018:13: sparse: sparse: Using plain integer as NULL pointer fs/libfs.c:2049:5: sparse: sparse: context imbalance in 'path_from_stashed' - wrong count at exit vim +2018 fs/libfs.c 1989 1990 static struct dentry *stash_dentry(struct dentry **stashed, unsigned long ino, 1991 struct super_block *sb, 1992 const struct file_operations *fops, 1993 void *data) 1994 { 1995 struct dentry *dentry; 1996 struct inode *inode; 1997 1998 dentry = d_alloc_anon(sb); 1999 if (!dentry) 2000 return ERR_PTR(-ENOMEM); 2001 2002 inode = new_inode_pseudo(sb); 2003 if (!inode) { 2004 dput(dentry); 2005 return ERR_PTR(-ENOMEM); 2006 } 2007 2008 inode->i_ino = ino; 2009 inode->i_flags |= S_IMMUTABLE; 2010 inode->i_mode = S_IFREG | S_IRUGO; 2011 inode->i_fop = fops; 2012 inode->i_private = data; 2013 simple_inode_init_ts(inode); 2014 2015 /* @data is now owned by the fs */ 2016 d_instantiate(dentry, inode); 2017 > 2018 if (cmpxchg(stashed, NULL, dentry)) { 2019 d_delete(dentry); /* make sure ->d_prune() does nothing */ 2020 dput(dentry); 2021 cpu_relax(); 2022 return ERR_PTR(-EAGAIN); 2023 } 2024 2025 return dentry; 2026 } 2027 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
