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CVS commit: [netbsd-7] src/sys/external/bsd/drm2/dist/drm/ttm



Module Name:    src
Committed By:   snj
Date:           Sun Jan 29 05:24:16 UTC 2017

Modified Files:
        src/sys/external/bsd/drm2/dist/drm/ttm [netbsd-7]: ttm_tt.c

Log Message:
Pull up following revision(s) (requested by maya in ticket #1350):
        sys/external/bsd/drm2/dist/drm/ttm/ttm_tt.c: revision 1.8
Guarantee no zero-size uao/kmem allocations via ttm.
It may be that all callers guarantee no zero-size ttm objects, but I
can't prove that in five minutes of browsing callers.  Rather than
add a KASSERT, lacking proof, we'll add a warning message so that if
it does happen then it happens noisily, but we'll also prevent the
bad consequences of passing zero into uao_create by rounding up to a
harmless nonzero allocation.


To generate a diff of this commit:
cvs rdiff -u -r1.6.2.1 -r1.6.2.2 \
    src/sys/external/bsd/drm2/dist/drm/ttm/ttm_tt.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.




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