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authorYueHaibing <yuehaibing@huawei.com>2018-06-03 05:40:15 +0300
committerDavid S. Miller <davem@davemloft.net>2018-06-04 23:07:30 +0300
commit40434a670f66f797b3a40603a286def35337dd4f (patch)
tree177e1c79faf67d0a76d85503e16008896a6e3867 /drivers/net/ethernet/chelsio/cxgb4vf
parent1a025028d400b23477341aa7ec2ce55f8b39b554 (diff)
downloadlinux-40434a670f66f797b3a40603a286def35337dd4f.tar.xz
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.c7
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;
}