rbd: null vs ERR_PTR

ceph_alloc_page_vector() returns ERR_PTR(-ENOMEM) on errors. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Sage Weil <sage@newdream.net>
git-mirror · Oct 20, 2010 · b8d0638 · b8d0638
1 parent 240634e
commit b8d0638
Showing 1 changed file with 2 additions and 2 deletions.
diff --git 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);