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saner inode_init_always()

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Merge tag 'pull-inode' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Pull vfs inode update from Al Viro:
 "Saner inode_init_always(), also fixing a nilfs problem"

* tag 'pull-inode' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  fs: fix UAF/GPF bug in nilfs_mdt_destroy
This commit is contained in:
Linus Torvalds 2022-10-06 16:49:00 -07:00
commit 46811b5cb3
1 changed files with 3 additions and 4 deletions
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7
fs/inode.c
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@ -192,8 +192,6 @@ int inode_init_always(struct super_block *sb, struct inode *inode)
inode->i_wb_frn_history = 0;
#endif
if (security_inode_alloc(inode))
goto out;
spin_lock_init(&inode->i_lock);
lockdep_set_class(&inode->i_lock, &sb->s_type->i_lock_key);
@ -228,11 +226,12 @@ int inode_init_always(struct super_block *sb, struct inode *inode)
inode->i_fsnotify_mask = 0;
#endif
inode->i_flctx = NULL;
if (unlikely(security_inode_alloc(inode)))
return -ENOMEM;
this_cpu_inc(nr_inodes);
return 0;
out:
return -ENOMEM;
}
EXPORT_SYMBOL(inode_init_always);