[v2,2/4] dma-pool: Get rid of dma_in_atomic_pool()
diff mbox series

Message ID 20200714123928.8581-3-nsaenzjulienne@suse.de
State Accepted
Commit 23e469be6239d9cf3d921fc3e38545491df56534
Headers show
Series
  • dma-pool: Fix atomic pool selection
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Commit Message

Nicolas Saenz Julienne July 14, 2020, 12:39 p.m. UTC
The function is only used once and can be simplified to a one-liner.

Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
---
 kernel/dma/pool.c | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

Patch
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diff --git a/kernel/dma/pool.c b/kernel/dma/pool.c
index 39ca26fa41b5..318035e093fb 100644
--- a/kernel/dma/pool.c
+++ b/kernel/dma/pool.c
@@ -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;