| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.9 09/80] ceph: return ceph_mdsc_do_request() errors from __get_parent() | Date | Fri, 1 May 2020 15:21:03 +0200 |
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From: Qiujun Huang <hqjagain@gmail.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@gmail.com> Reviewed-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Ilya Dryomov <idryomov@gmail.com> Signed-off-by: Sasha Levin <sashal@kernel.org> --- fs/ceph/export.c | 5 +++++ 1 file changed, 5 insertions(+)
diff --git a/fs/ceph/export.c b/fs/ceph/export.c index 1780218a48f08..f8e1f31e46439 100644 --- a/fs/ceph/export.c +++ b/fs/ceph/export.c @@ -157,6 +157,11 @@ 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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