drm: Use kvzalloc for allocating blob property memory
The property size may be controlled by userspace, can be large (I've seen failure with order 4, i.e. 16 pages / 64 KB) and doesn't need to be physically contiguous. Signed-off-by:Michel Dänzer <michel.daenzer@amd.com> Reviewed-by:
Alex Deucher <alexander.deucher@amd.com> Signed-off-by:
Alex Deucher <alexander.deucher@amd.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180629142710.2069-1-michel@daenzer.net Cc: stable@vger.kernel.org
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021c9179
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