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Commit 19a1e02a authored by qctecmdr's avatar qctecmdr Committed by Gerrit - the friendly Code Review server
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Merge "coresight-tmc-etr: Check if page is valid before dma_map_page"

parents c6486461 902bc613

drivers/hwtracing/coresight/coresight-tmc-etr.c

+2 −0
Original line number Diff line number Diff line
@@ -214,6 +214,8 @@ static int tmc_pages_alloc(struct tmc_pages *tmc_pages, 
			page = alloc_pages_node(node,

						GFP_KERNEL | __GFP_ZERO, 0);

		}

		if (!page)

			goto err;

		paddr = dma_map_page(real_dev, page, 0, PAGE_SIZE, dir);

		if (dma_mapping_error(real_dev, paddr))

			goto err;