[RTEMS Project] #4333: rtl-allocator.c: Dereference null return value error spotted by Coverity

[RTEMS trac]

#4333: rtl-allocator.c: Dereference null return value error spotted by Coverity
------------------------+--------------------
  Reporter:  Ryan Long  |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  normal     |  Milestone:  6.1
 Component:  lib/dl     |    Version:  6
  Severity:  normal     |   Keywords:
Blocked By:             |   Blocking:
------------------------+--------------------
 CID 1444139: Dereference null return value in rtems_rtl_alloc_hook().

 {{{
    1. returned_null: rtems_rtl_lock returns NULL (checked 23 out of 28
 times). [show details]
    2. var_assigned: Assigning: rtl = NULL return value from
 rtems_rtl_lock.
 164  rtems_rtl_data*     rtl = rtems_rtl_lock ();
    CID 1444139 (#1 of 1): Dereference null return value (NULL_RETURNS)3.
 dereference: Dereferencing rtl, which is known to be NULL.
 165  rtems_rtl_allocator previous = rtl->allocator.allocator;
 }}}

--
Ticket URL: <http://devel.rtems.org/ticket/4333>
RTEMS Project <http://www.rtems.org/>
RTEMS Project