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>

diff --git a/drivers/dma/mv_xor.c b/drivers/dma/mv_xor.c
index a25f5f61e0e00becc22b5b5b4d8ce1e4ce6e31b8..954e334e01bbea5a5c028f445dd8551dd51dd718 100644 (file)
--- a/drivers/dma/mv_xor.c
+++ b/drivers/dma/mv_xor.c
@@ -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",