libceph: fix ceph_osdc_alloc_request error checks
ceph_osdc_alloc_request returns NULL on failure.
Signed-off-by: Sage Weil <sage@newdream.net>
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 16dc364..3e90471 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -777,9 +777,9 @@
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;
}
diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
index 5a80f41..6b5dda1 100644
--- a/net/ceph/osd_client.c
+++ b/net/ceph/osd_client.c
@@ -470,8 +470,8 @@
snapc, ops,
use_mempool,
GFP_NOFS, NULL, NULL);
- if (IS_ERR(req))
- return req;
+ if (!req)
+ return NULL;
/* calculate max write size */
calc_layout(osdc, vino, layout, off, plen, req, ops);