linux-kernel - [PATCH] fs/ceph: return errcode in __get

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Date:   Fri,  6 Mar 2020 09:34:20 +0800
From:   Qiujun Huang <hqjagain@...il.com>
To:     jlayton@...nel.org
Cc:     sage@...hat.com, idryomov@...il.com, ceph-devel@...r.kernel.org,
        linux-kernel@...r.kernel.org, Qiujun Huang <hqjagain@...il.com>
Subject: [PATCH] fs/ceph: return errcode in __get_parent().

return real errcode when it's different from ENOENT.

Signed-off-by: Qiujun Huang <hqjagain@...il.com>
---
 fs/ceph/export.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/fs/ceph/export.c b/fs/ceph/export.c
index b6bfa94..79dc068 100644
--- a/fs/ceph/export.c
+++ b/fs/ceph/export.c
@@ -315,6 +315,11 @@ 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);
-- 
1.8.3.1