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| author | Antonio Quartulli <antonio@meshcoding.com> | 2014-01-22 00:42:11 +0100 |
|---|---|---|
| committer | Antonio Quartulli <antonio@meshcoding.com> | 2014-03-22 08:50:26 +0100 |
| commit | 8fdd01530cda849ba531e7e9d8674fbc81ab5782 (patch) | |
| tree | d2a19df1128530d694d7dce1c04d6f24515beb26 /net/batman-adv/icmp_socket.c | |
| parent | e88b617d84b53170f0781cc0756019c5b1855890 (diff) | |
| download | linux-8fdd01530cda849ba531e7e9d8674fbc81ab5782.tar.gz linux-8fdd01530cda849ba531e7e9d8674fbc81ab5782.tar.bz2 linux-8fdd01530cda849ba531e7e9d8674fbc81ab5782.zip | |
batman-adv: prefer ether_addr_copy to memcpy
On some architectures ether_addr_copy() is slightly faster
than memcpy() therefore use the former when possible.
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Diffstat (limited to 'net/batman-adv/icmp_socket.c')
| -rw-r--r-- | net/batman-adv/icmp_socket.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/net/batman-adv/icmp_socket.c b/net/batman-adv/icmp_socket.c index abb9d6e0388b..161ef8f17d2e 100644 --- a/net/batman-adv/icmp_socket.c +++ b/net/batman-adv/icmp_socket.c @@ -158,6 +158,7 @@ static ssize_t batadv_socket_write(struct file *file, const char __user *buff, struct batadv_orig_node *orig_node = NULL; struct batadv_neigh_node *neigh_node = NULL; size_t packet_len = sizeof(struct batadv_icmp_packet); + uint8_t *addr; if (len < sizeof(struct batadv_icmp_header)) { batadv_dbg(BATADV_DBG_BATMAN, bat_priv, @@ -227,10 +228,10 @@ static ssize_t batadv_socket_write(struct file *file, const char __user *buff, goto dst_unreach; icmp_packet_rr = (struct batadv_icmp_packet_rr *)icmp_header; - if (packet_len == sizeof(*icmp_packet_rr)) - memcpy(icmp_packet_rr->rr, - neigh_node->if_incoming->net_dev->dev_addr, - ETH_ALEN); + if (packet_len == sizeof(*icmp_packet_rr)) { + addr = neigh_node->if_incoming->net_dev->dev_addr; + ether_addr_copy(icmp_packet_rr->rr[0], addr); + } break; default: @@ -250,7 +251,7 @@ static ssize_t batadv_socket_write(struct file *file, const char __user *buff, goto free_skb; } - memcpy(icmp_header->orig, primary_if->net_dev->dev_addr, ETH_ALEN); + ether_addr_copy(icmp_header->orig, primary_if->net_dev->dev_addr); batadv_send_skb_packet(skb, neigh_node->if_incoming, neigh_node->addr); goto out; |