[PATCH 0/2] Fixes and cleanups in PTRACE_SETOPTIONS

[Denys Vlasenko]

This patchset has two changes.

First patch makes ptrace(PTRACE_SETOPTIONS, pid, 0, <bogus value>)
to error out *without* changing any task->ptrace bits.

Second patch is a cleanup: PTRACE_SETOPTIONS code
clears all option bits in task->ptrace, then sets bits one-by-one.
This is butt-ugly.

-- 
vda
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