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

*** 5536,5549 ****
          if (ev == NULL) {
                  return (DDI_SUCCESS);
          }
  
          pathname = kmem_alloc(MAXPATHLEN, KM_SLEEP);
-         if (pathname == NULL) {
-                 sysevent_free(ev);
-                 return (DDI_SUCCESS);
-         }
  
          (void) ddi_pathname(dip, pathname);
          ASSERT(strlen(pathname));
          se_val.value_type = SE_DATA_TYPE_STRING;
          se_val.value.sv_string = pathname;
--- 5536,5545 ----
*** 7794,7805 ****
                  break;
          default:
                  return (DDI_FAILURE);
          }
  
!         if ((i_devid = kmem_zalloc(sz, KM_SLEEP)) == NULL)
!                 return (DDI_FAILURE);
  
          i_devid->did_magic_hi = DEVID_MAGIC_MSB;
          i_devid->did_magic_lo = DEVID_MAGIC_LSB;
          i_devid->did_rev_hi = DEVID_REV_MSB;
          i_devid->did_rev_lo = DEVID_REV_LSB;
--- 7790,7800 ----
                  break;
          default:
                  return (DDI_FAILURE);
          }
  
!         i_devid = kmem_zalloc(sz, KM_SLEEP);
  
          i_devid->did_magic_hi = DEVID_MAGIC_MSB;
          i_devid->did_magic_lo = DEVID_MAGIC_LSB;
          i_devid->did_rev_hi = DEVID_REV_MSB;
          i_devid->did_rev_lo = DEVID_REV_LSB;