IB/hns: 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: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
YueHaibing 2018-06-03 17:32:22 +08:00 • committed by Jason Gunthorpe
commit 8c61b24585