- Utilize m_get2(), accidentially fixing some signedness bugs. - Return EMSGSIZE in both cases if uio_resid is oversized or undersized. - No need to clear rcvif.
- Utilize m_get2(), accidentially fixing some signedness bugs.
- Return EMSGSIZE in both cases if uio_resid is oversized or undersized.
- No need to clear rcvif.

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