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-rw-r--r--arch/sh/drivers/dma/dma-sh.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/sh/drivers/dma/dma-sh.c b/arch/sh/drivers/dma/dma-sh.c
index 40a480d..cbbe8bc 100644
--- a/arch/sh/drivers/dma/dma-sh.c
+++ b/arch/sh/drivers/dma/dma-sh.c
@@ -80,21 +80,23 @@ static irqreturn_t dma_tei(int irq, void *dev_id, struct pt_regs *regs)
static int sh_dmac_request_dma(struct dma_channel *chan)
{
- char name[32];
-
if (unlikely(!chan->flags & DMA_TEI_CAPABLE))
return 0;
- snprintf(name, sizeof(name), "DMAC Transfer End (Channel %d)",
+ chan->name = kzalloc(32, GFP_KERNEL);
+ if (unlikely(chan->name == NULL))
+ return -ENOMEM;
+ snprintf(chan->name, 32, "DMAC Transfer End (Channel %d)",
chan->chan);
return request_irq(get_dmte_irq(chan->chan), dma_tei,
- IRQF_DISABLED, name, chan);
+ IRQF_DISABLED, chan->name, chan);
}
static void sh_dmac_free_dma(struct dma_channel *chan)
{
free_irq(get_dmte_irq(chan->chan), chan);
+ kfree(chan->name);
}
static void
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