5253 kmem_alloc/kmem_zalloc won't fail with KM_SLEEP
5254 getrbuf won't fail with KM_SLEEP

@@ -22,12 +22,10 @@
 /*
  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
  * Use is subject to license terms.
  */
 
-#pragma ident   "%Z%%M% %I%     %E% SMI"
-
 #include <sys/debug.h>
 #include <sys/types.h>
 #include <sys/param.h>
 #include <sys/time.h>
 #include <sys/buf.h>

@@ -63,13 +61,10 @@
 {
         struct ddi_umem_cookie *umem_cookie;
 
         umem_cookie = kmem_zalloc(sizeof (struct ddi_umem_cookie), KM_SLEEP);
 
-        if (umem_cookie == NULL)
-                return (NULL);
-
         umem_cookie->cvaddr = kva;
         umem_cookie->type = KMEM_NON_PAGEABLE;
         umem_cookie->size = size;
 
         return ((ddi_umem_cookie_t *)umem_cookie);