Commit e2ec771a authored by Coly Li's avatar Coly Li Committed by Vinod Koul
Browse files

dma: use BUG_ON correctly in iop-adma.c, v4 



This patch makes BUG_ON() usage correct in drivers/dma/iop-adma.c.

Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: default avatarColy Li <bosong.ly@taobao.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent 84adccfb

drivers/dma/iop-adma.c

+3 −3
Original line number Original line Diff line number Diff line
@@ -619,7 +619,7 @@ iop_adma_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dma_dest, 




	if (unlikely(!len))

	if (unlikely(!len))

		return NULL;

		return NULL;

	BUG_ON(unlikely(len > IOP_ADMA_MAX_BYTE_COUNT));

	BUG_ON(len > IOP_ADMA_MAX_BYTE_COUNT);





	dev_dbg(iop_chan->device->common.dev, "%s len: %u\n",

	dev_dbg(iop_chan->device->common.dev, "%s len: %u\n",

		__func__, len);

		__func__, len);
@@ -652,7 +652,7 @@ iop_adma_prep_dma_memset(struct dma_chan *chan, dma_addr_t dma_dest, 




	if (unlikely(!len))

	if (unlikely(!len))

		return NULL;

		return NULL;

	BUG_ON(unlikely(len > IOP_ADMA_MAX_BYTE_COUNT));

	BUG_ON(len > IOP_ADMA_MAX_BYTE_COUNT);





	dev_dbg(iop_chan->device->common.dev, "%s len: %u\n",

	dev_dbg(iop_chan->device->common.dev, "%s len: %u\n",

		__func__, len);

		__func__, len);
@@ -686,7 +686,7 @@ iop_adma_prep_dma_xor(struct dma_chan *chan, dma_addr_t dma_dest, 




	if (unlikely(!len))

	if (unlikely(!len))

		return NULL;

		return NULL;

	BUG_ON(unlikely(len > IOP_ADMA_XOR_MAX_BYTE_COUNT));

	BUG_ON(len > IOP_ADMA_XOR_MAX_BYTE_COUNT);





	dev_dbg(iop_chan->device->common.dev,

	dev_dbg(iop_chan->device->common.dev,

		"%s src_cnt: %d len: %u flags: %lx\n",

		"%s src_cnt: %d len: %u flags: %lx\n",

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