rbd: replace IS_ERR and PTR_ERR with PTR_ERR_OR_ZERO

This patch fixes coccinelle error regarding usage of IS_ERR and
PTR_ERR instead of PTR_ERR_OR_ZERO.

Signed-off-by: Duan Jiong <duanj.fnst@cn.fujitsu.com>
Reviewed-by: Yan, Zheng <zheng.z.yan@intel.com>

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 4c95b50..552a2ed 100644 (file)
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -4752,7 +4752,7 @@ static int rbd_dev_image_id(struct rbd_device *rbd_dev)
 
                image_id = ceph_extract_encoded_string(&p, p + ret,
                                                NULL, GFP_NOIO);
-               ret = IS_ERR(image_id) ? PTR_ERR(image_id) : 0;
+               ret = PTR_ERR_OR_ZERO(image_id);
                if (!ret)
                        rbd_dev->image_format = 2;
        } else {