[PATCH *-next 17/18] dma-mapping: Remove needless return in five void APIs
From: Zijun Hu <hidden>
Date: 2025-02-21 13:05:37
Also in:
linux-arch, linux-crypto, linux-gpio, linux-iommu, linux-mm, linux-pm, linux-rdma, linux-wireless, lkml
Subsystem:
dma mapping helpers, the rest · Maintainers:
Marek Szyprowski, Linus Torvalds
Remove needless 'return' in the following void APIs: dma_unmap_single_attrs() dma_sync_single_range_for_cpu() dma_sync_single_range_for_device() dma_free_coherent() dma_free_wc() Since both the API and callee involved are void functions. Signed-off-by: Zijun Hu <redacted> --- include/linux/dma-mapping.h | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index b79925b1c433..a5de6ecaace3 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h@@ -388,21 +388,21 @@ static inline dma_addr_t dma_map_single_attrs(struct device *dev, void *ptr, static inline void dma_unmap_single_attrs(struct device *dev, dma_addr_t addr, size_t size, enum dma_data_direction dir, unsigned long attrs) { - return dma_unmap_page_attrs(dev, addr, size, dir, attrs); + dma_unmap_page_attrs(dev, addr, size, dir, attrs); } static inline void dma_sync_single_range_for_cpu(struct device *dev, dma_addr_t addr, unsigned long offset, size_t size, enum dma_data_direction dir) { - return dma_sync_single_for_cpu(dev, addr + offset, size, dir); + dma_sync_single_for_cpu(dev, addr + offset, size, dir); } static inline void dma_sync_single_range_for_device(struct device *dev, dma_addr_t addr, unsigned long offset, size_t size, enum dma_data_direction dir) { - return dma_sync_single_for_device(dev, addr + offset, size, dir); + dma_sync_single_for_device(dev, addr + offset, size, dir); } /**
@@ -478,7 +478,7 @@ static inline void *dma_alloc_coherent(struct device *dev, size_t size, static inline void dma_free_coherent(struct device *dev, size_t size, void *cpu_addr, dma_addr_t dma_handle) { - return dma_free_attrs(dev, size, cpu_addr, dma_handle, 0); + dma_free_attrs(dev, size, cpu_addr, dma_handle, 0); }
@@ -606,8 +606,8 @@ static inline void *dma_alloc_wc(struct device *dev, size_t size, static inline void dma_free_wc(struct device *dev, size_t size, void *cpu_addr, dma_addr_t dma_addr) { - return dma_free_attrs(dev, size, cpu_addr, dma_addr, - DMA_ATTR_WRITE_COMBINE); + dma_free_attrs(dev, size, cpu_addr, dma_addr, + DMA_ATTR_WRITE_COMBINE); } static inline int dma_mmap_wc(struct device *dev,
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2.34.1