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 <quic_zijuhu@xxxxxxxxxxx>
---
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,
--
2.34.1
