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Message-Id: <20191219183217.267546126@linuxfoundation.org>
Date: Thu, 19 Dec 2019 19:32:04 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org,
Niklas Söderlund
<niklas.soderlund+renesas@...natech.se>,
Geert Uytterhoeven <geert+renesas@...der.be>,
Christoph Hellwig <hch@....de>, Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.9 042/199] dma-mapping: fix return type of dma_set_max_seg_size()
From: Niklas Söderlund <niklas.soderlund+renesas@...natech.se>
[ Upstream commit c9d76d0655c06b8c1f944e46c4fd9e9cf4b331c0 ]
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@...natech.se>
Reviewed-by: Geert Uytterhoeven <geert+renesas@...der.be>
Signed-off-by: Christoph Hellwig <hch@....de>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
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 704caae69c427..97f817f4eb784 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -618,8 +618,7 @@ 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;
--
2.20.1
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