RTEMS | bsps/powerpc: The sbrk policy default and the exception frames (!1414)

[Sebastian Huber (@sebhub)]

Sebastian Huber commented on a discussion on bsps/powerpc/shared/start/sbrk.c: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1414#note_158266

 >      remaining_size  = rval;
 >    }
 >  
 > -  policy = (0 == BSP_sbrk_policy[0] ? (uintptr_t)(-1) : BSP_sbrk_policy[0]);
 > +  /*
 > +   * BSP_sbrk_policy is an optional application provided symbol. Test the
 > +   * symbol address before the dereference, otherwise an application which
 > +   * does not provide the symbol reads whatever resides at address zero.
 > +   */
 > +  if (BSP_sbrk_policy == NULL || 0 == BSP_sbrk_policy[0]) {

Yes, getting rid of Joda style is always good. I will adjust the patch.

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/1414#note_158266
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