This reverts commit 8b8f53af1ed9df88a4c0fbfdf3db58f62060edf3.

splice_dentry() is used by three places. For two places, req->r_dentry
is passed to splice_dentry(). In the case of error, req->r_dentry does
not get updated. So splice_dentry() should not drop reference.

Cc: stable@vger.kernel.org #4.18
Signed-off-by: "Yan, Zheng" <redacted>
---
 fs/ceph/inode.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index c6bbb7aa99e4..375924b2bc86 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c

@@ -1140,7 +1140,6 @@ static struct dentry *splice_dentry(struct dentry *dn, struct inode *in)
        if (IS_ERR(realdn)) {
                pr_err("splice_dentry error %ld %p inode %p ino %llx.%llx\n",
                       PTR_ERR(realdn), dn, in, ceph_vinop(in));
-               dput(dn);
                dn = realdn; /* note realdn contains the error */
                goto out;
        } else if (realdn) {