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[media] v4l: vb2-dma-contig: align buffer size to PAGE_SIZE
Most operations on DMA and DMABUF framework require the size of a buffer to be page aligned. This patch guarantees the requirement is satisfied for all vb2-dma-contig buffers. Signed-off-by: Tomasz Stanislawski <t.stanislaws@samsung.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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@ -162,6 +162,9 @@ static void *vb2_dc_alloc(void *alloc_ctx, unsigned long size)
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if (!buf)
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return ERR_PTR(-ENOMEM);
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/* align image size to PAGE_SIZE */
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size = PAGE_ALIGN(size);
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buf->vaddr = dma_alloc_coherent(dev, size, &buf->dma_addr, GFP_KERNEL);
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if (!buf->vaddr) {
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dev_err(dev, "dma_alloc_coherent of size %ld failed\n", size);
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