libceph: fix ceph_osdc_alloc_request error checks

ceph_osdc_alloc_request returns NULL on failure.

Signed-off-by: Sage Weil <[email protected]>
This commit is contained in:
Sage Weil 2011-05-03 09:23:36 -07:00
commit 4ad12621e4
2 changed files with 4 additions and 4 deletions

View file

@ -777,9 +777,9 @@ static int rbd_do_request(struct request *rq,
ops,
false,
GFP_NOIO, pages, bio);
if (IS_ERR(req)) {
if (!req) {
up_read(&header->snap_rwsem);
ret = PTR_ERR(req);
ret = -ENOMEM;
goto done_pages;
}