svn commit: r300686 - head/sbin/camcontrol

[Don Lewis]

On 25 May, To: src-committers at freebsd.org wrote:
> Author: truckman
> Date: Wed May 25 15:49:29 2016
> New Revision: 300686
> URL: https://svnweb.freebsd.org/changeset/base/300686
> 
> Log:
>   Fix a couple of Coverity Unintended sign extension sign extension
>   defects.  When shifting an unsigned byte into the upper 8 bits of
>   an int and the resulting value is greater than 0x7FFFFFF, the result
>   will be sign extended when converting to a 64 bit unsigned long.
>   Fix by casting to (uint64_t) before the shift.
>   
>   Reported by:	Coverity
>   CID:		1356044, 1356045
>   Reviewed by:	ken

Differential Revision:	https://reviews.freebsd.org/D6557