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 <[email protected]>
Cc: Dan Williams <[email protected]>
Signed-off-by: Coly Li <[email protected]>
Signed-off-by: Vinod Koul <[email protected]>
This commit is contained in:
Coly Li 2011-03-27 01:26:53 +08:00 • committed by Vinod Koul
commit 7912d30007

View file

@ -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",