[PATCH AUTOSEL 5.6 13/73] ceph: return ceph_mdsc_do_request() errors from __get_parent()
From: Sasha Levin
Date: Sat Apr 18 2020 - 09:53:16 EST
From: Qiujun Huang <hqjagain@xxxxxxxxx>
[ 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@xxxxxxxxx>
Reviewed-by: Jeff Layton <jlayton@xxxxxxxxxx>
Signed-off-by: Ilya Dryomov <idryomov@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
fs/ceph/export.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/fs/ceph/export.c b/fs/ceph/export.c
index b6bfa94332c30..79dc06881e78e 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);
--
2.20.1