x86: dma-mapping: fix broken allocation when dma_mask has been provided
Commit 0a2b9a6e ("X86: integrate CMA with DMA-mapping subsystem") broke memory allocation with dma_mask. This patch fixes possible kernel ops caused by lack of resetting page variable when jumping to 'again' label. Reported-by: Konrad Rzeszutek Wilk <konrad@darnok.org> Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com> Acked-by: Michal Nazarewicz <mina86@mina86.com>
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