RTEMS | cpukit/aio_misc Add error handling for calloc failure (!513)

[shuhua hua (@huangshuhua)]

shuhua hua commented on a discussion on cpukit/posix/src/aio_misc.c: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/513#note_125000

 >        r_chain = NULL;
 >      } else {
 >        r_chain = calloc( 1, sizeof( rtems_aio_request_chain ) );
 > +      if ( r_chain == NULL ) {
 > +        errno = EAGAIN;

Thank you for the correction feedback. Initially, I returned ​​EAGAIN​​ to maintain ​​consistency​​ with how init_write_req and init_read_req handle malloc failures in the existing code. If you believe it’s necessary to change this to ​​ENOMEM​​, I will revise the implementation and ​​push the changes​​ accordingly.

-- 
View it on GitLab: https://gitlab.rtems.org/rtems/rtos/rtems/-/merge_requests/513#note_125000
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