diff --git a/drivers/s390/scsi/zfcp_def.h b/drivers/s390/scsi/zfcp_def.h
index 0754542978b68b91f92b1dcbd91ad7a8cac9e4f6..e268f79bdbd232de9f81edb5b8d6e291998051d2 100644
--- a/drivers/s390/scsi/zfcp_def.h
+++ b/drivers/s390/scsi/zfcp_def.h
@@ -70,11 +70,12 @@ zfcp_sg_to_address(struct scatterlist *list)
  * zfcp_address_to_sg - set up struct scatterlist from kernel address
  * @address: kernel address
  * @list: struct scatterlist
+ * @size: buffer size
  */
 static inline void
-zfcp_address_to_sg(void *address, struct scatterlist *list)
+zfcp_address_to_sg(void *address, struct scatterlist *list, unsigned int size)
 {
-	sg_set_buf(list, address, 0);
+	sg_set_buf(list, address, size);
 }
 
 #define REQUEST_LIST_SIZE 128