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Commit cb22ff50 authored by Laura Abbott's avatar Laura Abbott Committed by Gerrit - the friendly Code Review server
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cma: Return 0 on error path


If a free CMA region cannot be found because every one is busy,
an error needs to be propegated up by returning a zero pfn.
Ensure the pfn is actually zero when returning an error.

Change-Id: I0d5a66a25c4483bf0f219cec1d7009239518f27a
Signed-off-by: default avatarLaura Abbott <lauraa@codeaurora.org>
parent ddd5f9e9
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