ceph_alloc_page_vector() returns ERR_PTR(-ENOMEM) on errors.
Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>
diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 1ac87f1..52f9420 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -826,8 +826,8 @@ static int rbd_req_sync_op(struct rbd_device *dev,
num_pages = calc_pages_for(ofs , len);
pages = ceph_alloc_page_vector(num_pages, GFP_KERNEL);
- if (!pages)
- return -ENOMEM;
+ if (IS_ERR(pages))
+ return PTR_ERR(pages);
if (!orig_ops) {
payload_len = (flags & CEPH_OSD_FLAG_WRITE ? len : 0);
--
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