On Mon, 11 Jul 2016, Garrett Cooper wrote:
Add missing default case to capable(..) function definition
By definition (enum __drm_capabilities), cases other than CAP_SYS_ADMIN
aren't possible. Add in a KASSERT safety belt and return false in
!INVARIANTS case if an invalid value is passed in, as it would be a
programmer error.
This fixes a -Wreturn-type error with gcc 5.3.0.
Differential Revision: https://reviews.freebsd.org/D7188
MFC after: 1 week
Reported by: devel/amd64-gcc (5.3.0)
Reviewed by: dumbbell
Sponsored by: EMC / Isilon Storage Division
Per my comment in the review, I think a panic() here would be preferable to a
KASSERT(), as it would come without perceptible runtime cost, and failstop the
system if we were violating a design-time security invariant.
Robert
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