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Message-Id: <20200418144436.10818-3-sashal@kernel.org>
Date: Sat, 18 Apr 2020 10:44:20 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc: Qiujun Huang <hqjagain@...il.com>,
Jeff Layton <jlayton@...nel.org>,
Ilya Dryomov <idryomov@...il.com>,
Sasha Levin <sashal@...nel.org>, ceph-devel@...r.kernel.org
Subject: [PATCH AUTOSEL 4.4 03/19] ceph: return ceph_mdsc_do_request() errors from __get_parent()
From: Qiujun Huang <hqjagain@...il.com>
[ Upstream commit c6d50296032f0b97473eb2e274dc7cc5d0173847 ]
Return the error returned by ceph_mdsc_do_request(). Otherwise,
r_target_inode ends up being NULL this ends up returning ENOENT
regardless of the error.
Signed-off-by: Qiujun Huang <hqjagain@...il.com>
Reviewed-by: Jeff Layton <jlayton@...nel.org>
Signed-off-by: Ilya Dryomov <idryomov@...il.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
fs/ceph/export.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/fs/ceph/export.c b/fs/ceph/export.c
index fe02ae7f056a3..ff9e60daf086b 100644
--- a/fs/ceph/export.c
+++ b/fs/ceph/export.c
@@ -146,6 +146,11 @@ static struct dentry *__get_parent(struct super_block *sb,
}
req->r_num_caps = 1;
err = ceph_mdsc_do_request(mdsc, NULL, req);
+ if (err) {
+ ceph_mdsc_put_request(req);
+ return ERR_PTR(err);
+ }
+
inode = req->r_target_inode;
if (inode)
ihold(inode);
--
2.20.1
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