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dma-mapping: fix return type of dma_set_max_seg_size() 

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@ragnatech.se>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Niklas Söderlund 2018-08-29 23:29:21 +02:00 committed by Christoph Hellwig
parent ef78e5ec92
commit c9d76d0655
1 changed files with 1 additions and 2 deletions
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3
include/linux/dma-mapping.h
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@ -676,8 +676,7 @@ static inline unsigned int dma_get_max_seg_size(struct device *dev)
return SZ_64K; return SZ_64K;
} }
static inline unsigned int dma_set_max_seg_size(struct device *dev, static inline int dma_set_max_seg_size(struct device *dev, unsigned int size)
unsigned int size)
{ {
if (dev->dma_parms) { if (dev->dma_parms) {
dev->dma_parms->max_segment_size = size; dev->dma_parms->max_segment_size = size;