[RTEMS Project] #3544: Coverity flags use of uninitialized variable in e500-mmu.c

[RTEMS trac]

#3544: Coverity flags use of uninitialized variable in e500-mmu.c
----------------------------+----------------------
  Reporter:  Joel Sherrill  |      Owner:  (none)
      Type:  defect         |     Status:  new
  Priority:  normal         |  Milestone:  5.1
 Component:  admin          |    Version:  5
  Severity:  normal         |   Keywords:  coverity
Blocked By:                 |   Blocking:
----------------------------+----------------------
 Coverity ids: 1440032 1440034 1440037 1440042

 I am unsure why rtems_interrupt_disable() is confusing Coverity in this
 one file but it seems odd. I would expect it to be causing more issues.

 {{{
 519rtems_e500_tlb_idx
 520rtems_e500_ftlb(uint32_t ea, int as)
 521{
 522uint32_t              pid, mas0, mas1;
 523int                   i, rval = -1;
         1. var_decl: Declaring variable lvl without initializer.
 524rtems_interrupt_level lvl;
 525

 CID 1440042 (#1 of 1): Uninitialized scalar variable (UNINIT)
 2. uninit_use_in_call: Using uninitialized value lvl when calling
 rtems_interrupt_disable.
 526  rtems_interrupt_disable(lvl);
 }}}

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Ticket URL: <http://devel.rtems.org/ticket/3544>
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