From: Geliang Tang <geliangtang@gmail.com> Date: Sat, 22 Apr 2017 01:18:05 +0000 (+0800) Subject: dma-debug: use offset_in_page() macro X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=e57d05520f9c89cf7616fc8c65dafb1ceb7a4c63;p=linux.git dma-debug: use offset_in_page() macro Use offset_in_page() macro instead of open-coding. Signed-off-by: Geliang Tang <geliangtang@gmail.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com> --- diff --git a/lib/dma-debug.c b/lib/dma-debug.c index b157b46cc9a69..cd5a5a426ef1f 100644 --- a/lib/dma-debug.c +++ b/lib/dma-debug.c @@ -1502,7 +1502,7 @@ void debug_dma_alloc_coherent(struct device *dev, size_t size, entry->type = dma_debug_coherent; entry->dev = dev; entry->pfn = page_to_pfn(virt_to_page(virt)); - entry->offset = (size_t) virt & ~PAGE_MASK; + entry->offset = offset_in_page(virt); entry->size = size; entry->dev_addr = dma_addr; entry->direction = DMA_BIDIRECTIONAL; @@ -1518,7 +1518,7 @@ void debug_dma_free_coherent(struct device *dev, size_t size, .type = dma_debug_coherent, .dev = dev, .pfn = page_to_pfn(virt_to_page(virt)), - .offset = (size_t) virt & ~PAGE_MASK, + .offset = offset_in_page(virt), .dev_addr = addr, .size = size, .direction = DMA_BIDIRECTIONAL,