NEX-17999 SCSI enclosure services (ses) non-response causes device tree operation deadlock
Reviewed by: Rick McNeal <rick.mcneal@nexenta.com>
Reviewed by: Yuri Pankov <yuri.pankov@nexenta.com>
Reviewed by: Rob Gittins <rob.gittins@nexenta.com>

*** 1019,1029 ****
  
          if (env != NULL) {
                  i = atoi(env);
                  if (i > USCSI_TIMEOUT_MAX)
                          i = USCSI_TIMEOUT_MAX;
!                 else if (i < 0)
                          i = USCSI_DEFAULT_TIMEOUT;
          } else
                  i = USCSI_DEFAULT_TIMEOUT;
  
          timeo = i;
--- 1019,1029 ----
  
          if (env != NULL) {
                  i = atoi(env);
                  if (i > USCSI_TIMEOUT_MAX)
                          i = USCSI_TIMEOUT_MAX;
!                 else if (i <= 0)
                          i = USCSI_DEFAULT_TIMEOUT;
          } else
                  i = USCSI_DEFAULT_TIMEOUT;
  
          timeo = i;