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audit_get_nd(): don't unlock parent too early
[ Upstream commit 69924b8968
]
if the child has been negative and just went positive
under us, we want coherent d_is_positive() and ->d_inode.
Don't unlock the parent until we'd done that work...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
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1 changed files with 1 additions and 1 deletions
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@ -365,12 +365,12 @@ static int audit_get_nd(struct audit_watch *watch, struct path *parent)
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struct dentry *d = kern_path_locked(watch->path, parent);
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if (IS_ERR(d))
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return PTR_ERR(d);
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inode_unlock(d_backing_inode(parent->dentry));
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if (d_is_positive(d)) {
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/* update watch filter fields */
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watch->dev = d->d_sb->s_dev;
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watch->ino = d_backing_inode(d)->i_ino;
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}
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inode_unlock(d_backing_inode(parent->dentry));
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dput(d);
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return 0;
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}
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