linux-kernel - [PATCH AUTOSEL 5.10 22/31] ceph: fix inode refcount leak when ceph_fill_inode on non-I

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Message-Id: <20201230130314.3636961-22-sashal@kernel.org>
Date:   Wed, 30 Dec 2020 08:03:04 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Jeff Layton <jlayton@...nel.org>,
        Ilya Dryomov <idryomov@...il.com>,
        Sasha Levin <sashal@...nel.org>, ceph-devel@...r.kernel.org
Subject: [PATCH AUTOSEL 5.10 22/31] ceph: fix inode refcount leak when ceph_fill_inode on non-I_NEW inode fails

From: Jeff Layton <jlayton@...nel.org>

[ Upstream commit 68cbb8056a4c24c6a38ad2b79e0a9764b235e8fa ]

Signed-off-by: Jeff Layton <jlayton@...nel.org>
Reviewed-by: Ilya Dryomov <idryomov@...il.com>
Signed-off-by: Ilya Dryomov <idryomov@...il.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 fs/ceph/inode.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/ceph/inode.c b/fs/ceph/inode.c
index 526faf4778ce4..2462a9a84b956 100644
--- a/fs/ceph/inode.c
+++ b/fs/ceph/inode.c
@@ -1335,6 +1335,8 @@ int ceph_fill_trace(struct super_block *sb, struct ceph_mds_request *req)
 				in, ceph_vinop(in));
 			if (in->i_state & I_NEW)
 				discard_new_inode(in);
+			else
+				iput(in);
 			goto done;
 		}
 		req->r_target_inode = in;
-- 
2.27.0