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Commit 7912d300 authored by Coly Li's avatar Coly Li Committed by Vinod Koul
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dma: use BUG_ON correctly in mv_xor.c, v4 



This patch makes BUG_ON() usage correct in drivers/dma/mv_xor.c

Cc: Vinod Koul <vinod.koul@intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: default avatarColy Li <bosong.ly@taobao.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent e2ec771a

drivers/dma/mv_xor.c

+3 −3
Original line number Diff line number Diff line
@@ -671,7 +671,7 @@ mv_xor_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src, 
	if (unlikely(len < MV_XOR_MIN_BYTE_COUNT))

		return NULL;



	BUG_ON(unlikely(len > MV_XOR_MAX_BYTE_COUNT));

	BUG_ON(len > MV_XOR_MAX_BYTE_COUNT);



	spin_lock_bh(&mv_chan->lock);

	slot_cnt = mv_chan_memcpy_slot_count(len);
@@ -710,7 +710,7 @@ mv_xor_prep_dma_memset(struct dma_chan *chan, dma_addr_t dest, int value, 
	if (unlikely(len < MV_XOR_MIN_BYTE_COUNT))

		return NULL;



	BUG_ON(unlikely(len > MV_XOR_MAX_BYTE_COUNT));

	BUG_ON(len > MV_XOR_MAX_BYTE_COUNT);



	spin_lock_bh(&mv_chan->lock);

	slot_cnt = mv_chan_memset_slot_count(len);
@@ -744,7 +744,7 @@ mv_xor_prep_dma_xor(struct dma_chan *chan, dma_addr_t dest, dma_addr_t *src, 
	if (unlikely(len < MV_XOR_MIN_BYTE_COUNT))

		return NULL;



	BUG_ON(unlikely(len > MV_XOR_MAX_BYTE_COUNT));

	BUG_ON(len > MV_XOR_MAX_BYTE_COUNT);



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

		"%s src_cnt: %d len: dest %x %u flags: %ld\n",