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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: Coly Li <bosong.ly@taobao.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Coly Li 2011-03-27 01:26:53 +08:00 committed by Vinod Koul
parent e2ec771a99
commit 7912d30007
1 changed files with 3 additions and 3 deletions
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6
drivers/dma/mv_xor.c
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@ -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",