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ceph: fix dentry leak in splice_dentry()
[ Upstream commit 8b8f53af1e
]
In any case, d_splice_alias() does not drop reference of original
dentry.
Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -1077,6 +1077,7 @@ static struct dentry *splice_dentry(struct dentry *dn, struct inode *in)
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if (IS_ERR(realdn)) {
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pr_err("splice_dentry error %ld %p inode %p ino %llx.%llx\n",
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PTR_ERR(realdn), dn, in, ceph_vinop(in));
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dput(dn);
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dn = realdn; /* note realdn contains the error */
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goto out;
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} else if (realdn) {
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