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

*** 21,32 ****
  /*
   * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
   * Use is subject to license terms.
   */
  
- #pragma ident   "%Z%%M% %I%     %E% SMI"
- 
  /*
   * This is the Beep module for supporting keyboard beep for keyboards
   * that do not have the beeping feature within themselves
   *
   */
--- 21,30 ----
*** 111,126 ****
          BEEP_DEBUG1((CE_CONT,
              "beep_init : beep_queue kmem_zalloc(%d) = 0x%lx.",
              (int)sizeof (beep_entry_t) * beep_queue_size,
              (unsigned long)queue));
  
-         if (queue == NULL) {
-                 BEEP_DEBUG((CE_WARN,
-                     "beep_init : kmem_zalloc of beep_queue failed."));
-                 return (DDI_FAILURE);
-         }
- 
          beep_state.arg = arg;
          beep_state.mode = BEEP_OFF;
          beep_state.beep_freq = beep_freq_func;
          beep_state.beep_on = beep_on_func;
          beep_state.beep_off = beep_off_func;
--- 109,118 ----