uhid: Check for errors from copyin() in ioctl handlers
This is in preparation for annotating copyin() and related functions
with __result_use_check.
Reviewed by: wulf
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D43103
uhid: Check for errors from copyin() in ioctl handlers Tags None Referenced Files None Subscribers None
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