diff options
| author | YueHaibing <yuehaibing@huawei.com> | 2018-06-03 10:40:15 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-06-04 16:07:30 -0400 |
| commit | 40434a670f66f797b3a40603a286def35337dd4f (patch) | |
| tree | 177e1c79faf67d0a76d85503e16008896a6e3867 /drivers/net/ethernet/chelsio/cxgb4vf | |
| parent | 1a025028d400b23477341aa7ec2ce55f8b39b554 (diff) | |
net: chelsio: Use zeroing memory allocator instead of allocator/memset
Use dma_zalloc_coherent for allocating zeroed
memory and remove unnecessary memset function.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4vf')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4vf/sge.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c index dfce5df7538e..3007e1ac1e61 100644 --- a/drivers/net/ethernet/chelsio/cxgb4vf/sge.c +++ b/drivers/net/ethernet/chelsio/cxgb4vf/sge.c @@ -756,7 +756,7 @@ static void *alloc_ring(struct device *dev, size_t nelem, size_t hwsize, * Allocate the hardware ring and PCI DMA bus address space for said. */ size_t hwlen = nelem * hwsize + stat_size; - void *hwring = dma_alloc_coherent(dev, hwlen, busaddrp, GFP_KERNEL); + void *hwring = dma_zalloc_coherent(dev, hwlen, busaddrp, GFP_KERNEL); if (!hwring) return NULL; @@ -776,11 +776,6 @@ static void *alloc_ring(struct device *dev, size_t nelem, size_t hwsize, *(void **)swringp = swring; } - /* - * Zero out the hardware ring and return its address as our function - * value. - */ - memset(hwring, 0, hwlen); return hwring; } |