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ceph: return ceph_mdsc_do_request() errors from __get_parent()

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[ 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>
This commit is contained in:
Qiujun Huang 2020-03-06 09:34:20 +08:00 • committed by Greg Kroah-Hartman
commit acbfccc6a3
1 changed files with 5 additions and 0 deletions
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5
fs/ceph/export.c
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@ -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);