The function dma_set_max_seg_size() can return either 0 on success or -EIO on error. Change its return type from unsigned int to int to capture this. Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx> --- include/linux/dma-mapping.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h index 1db6a6b46d0d3dbd..669cde2fa8723ac5 100644 --- a/include/linux/dma-mapping.h +++ b/include/linux/dma-mapping.h @@ -674,8 +674,7 @@ static inline unsigned int dma_get_max_seg_size(struct device *dev) return SZ_64K; } -static inline unsigned int dma_set_max_seg_size(struct device *dev, - unsigned int size) +static inline int dma_set_max_seg_size(struct device *dev, unsigned int size) { if (dev->dma_parms) { dev->dma_parms->max_segment_size = size; -- 2.18.0