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Commit b8d0638a authored by Dan Carpenter's avatar Dan Carpenter Committed by Sage Weil
Browse files

rbd: null vs ERR_PTR 



ceph_alloc_page_vector() returns ERR_PTR(-ENOMEM) on errors.

Signed-off-by: default avatarDan Carpenter <error27@gmail.com>
Signed-off-by: default avatarSage Weil <sage@newdream.net>
parent 240634e9

drivers/block/rbd.c

+2 −2
Original line number Diff line number Diff line
@@ -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);