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path: root/drivers/dma/sh/rz-dmac.c
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Diffstat (limited to 'drivers/dma/sh/rz-dmac.c')
-rw-r--r--drivers/dma/sh/rz-dmac.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/dma/sh/rz-dmac.c b/drivers/dma/sh/rz-dmac.c
index fea5bda34b..1f1e86ba5c 100644
--- a/drivers/dma/sh/rz-dmac.c
+++ b/drivers/dma/sh/rz-dmac.c
@@ -755,11 +755,11 @@ static struct dma_chan *rz_dmac_of_xlate(struct of_phandle_args *dma_spec,
static int rz_dmac_chan_probe(struct rz_dmac *dmac,
struct rz_dmac_chan *channel,
- unsigned int index)
+ u8 index)
{
struct platform_device *pdev = to_platform_device(dmac->dev);
struct rz_lmdesc *lmdesc;
- char pdev_irqname[5];
+ char pdev_irqname[6];
char *irqname;
int ret;
@@ -767,7 +767,7 @@ static int rz_dmac_chan_probe(struct rz_dmac *dmac,
channel->mid_rid = -EINVAL;
/* Request the channel interrupt. */
- sprintf(pdev_irqname, "ch%u", index);
+ scnprintf(pdev_irqname, sizeof(pdev_irqname), "ch%u", index);
channel->irq = platform_get_irq_byname(pdev, pdev_irqname);
if (channel->irq < 0)
return channel->irq;
@@ -845,9 +845,9 @@ static int rz_dmac_probe(struct platform_device *pdev)
struct dma_device *engine;
struct rz_dmac *dmac;
int channel_num;
- unsigned int i;
int ret;
int irq;
+ u8 i;
dmac = devm_kzalloc(&pdev->dev, sizeof(*dmac), GFP_KERNEL);
if (!dmac)