On Thu, Aug 24, 2017 at 09:06:32AM -0700, Joe Perches wrote: > On Thu, 2017-08-24 at 21:11 +0530, Himanshu Jha wrote: > > Use ether_addr_copy to copy an ethernet address of size ETH_ALEN > > instead of memcpy. > [] > diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c > [] > > @@ -798,7 +798,7 @@ int rdma_addr_find_l2_eth_by_grh(const union ib_gid > > *sgid, > > if (ret) > > return ret; > > > > - memcpy(dmac, dev_addr.dst_dev_addr, ETH_ALEN); > > + ether_addr_copy(dmac, dev_addr.dst_dev_addr); > > dev = dev_get_by_index(&init_net, dev_addr.bound_dev_if); > > if (!dev) > > return -ENODEV; > > @@ -831,7 +831,7 @@ int rdma_addr_find_smac_by_sgid(union ib_gid *sgid, u8 > > *smac, u16 *vlan_id) > > if (ret) > > return ret; > > > > - memcpy(smac, dev_addr.src_dev_addr, ETH_ALEN); > > + ether_addr_copy(smac, dev_addr.src_dev_addr); > > return ret; > > } > > EXPORT_SYMBOL(rdma_addr_find_smac_by_sgid); > > Both dmac and smac are function arguments. > What guarantees these to be > aligned properly? > Yes, you are correct! The arguments should be a pointer to a six byte Ethernet address.
Apologies!
