[Bug 1964] _Chain_Is_first/last overshoot

[bugzilla-daemon at rtems.org]

https://www.rtems.org/bugzilla/show_bug.cgi?id=1964

--- Comment #4 from Joel Sherrill <joel.sherrill at oarcorp.com> 2011-11-13 18:14:20 CST ---
(In reply to comment #3)
> This bug may be present in older branches.

Yes and that's the only reason I want to commit this. I have test environments
for multiple branches set up.

One question on patch.. 

 return (the_node->previous->previous == NULL);

Should "the_node->previous" be checked for NULL before it is dereferenced?

Ditto for the other case.

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