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由 Ben Skeggs 提交于
TTM assumes an error condition from man->func->get_node() means that something went horribly wrong, and causes it to bail. The driver is supposed to return 0, and leave mm_node == NULL to signal that it couldn't allocate any memory. Signed-off-by: NBen Skeggs <bskeggs@redhat.com> Signed-off-by: NDave Airlie <airlied@redhat.com>
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