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net/linux_kernel: add unnamed Unix-domain addresses #1242
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Can you comment on why you changed this to use
saturating_sub
?There was a problem hiding this comment.
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I wanted to remove one indentation level by removing the test if
len == 0
, followed bylen > offsetof_sun_path
. I don't know if there actually is a case wherelen == 0
. If there isn't, then a normal subtraction would be good enough. Alternatively, because the method returns anOption
,checked_sub
would work, too.There was a problem hiding this comment.
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Or was your question why I changed the method at all? The current implementation cannot tell unnamed socket addresses and abstract addresses apart and will panic on an unnamed address.