Commit 23e469be authored by Nicolas Saenz Julienne's avatar Nicolas Saenz Julienne Committed by Christoph Hellwig
Browse files

dma-pool: get rid of dma_in_atomic_pool() 



The function is only used once and can be simplified to a one-liner.

Signed-off-by: default avatarNicolas Saenz Julienne <nsaenzjulienne@suse.de>
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
parent 567f6a6e

kernel/dma/pool.c

+1 −10
Original line number Diff line number Diff line
@@ -217,15 +217,6 @@ static inline struct gen_pool *dev_to_pool(struct device *dev) 
	return atomic_pool_kernel;

}



static bool dma_in_atomic_pool(struct device *dev, void *start, size_t size)

{

	struct gen_pool *pool = dev_to_pool(dev);



	if (unlikely(!pool))

		return false;

	return gen_pool_has_addr(pool, (unsigned long)start, size);

}



void *dma_alloc_from_pool(struct device *dev, size_t size,

			  struct page **ret_page, gfp_t flags)

{
@@ -260,7 +251,7 @@ bool dma_free_from_pool(struct device *dev, void *start, size_t size) 
{

	struct gen_pool *pool = dev_to_pool(dev);



	if (!dma_in_atomic_pool(dev, start, size))

	if (!pool || !gen_pool_has_addr(pool, (unsigned long)start, size))

		return false;

	gen_pool_free(pool, (unsigned long)start, size);

	return true;