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ceph: return ceph_mdsc_do_request() errors from __get_parent() 

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>
This commit is contained in:
Qiujun Huang 2020-03-06 09:34:20 +08:00 committed by Ilya Dryomov
parent bf73c62e7f
commit c6d5029603
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; req->r_num_caps = 1;
err = ceph_mdsc_do_request(mdsc, NULL, req); err = ceph_mdsc_do_request(mdsc, NULL, req);
if (err) {
ceph_mdsc_put_request(req);
return ERR_PTR(err);
}
inode = req->r_target_inode; inode = req->r_target_inode;
if (inode) if (inode)
ihold(inode); ihold(inode);