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net-procfs: Use vsnprintf extension %phN 

Save a bit of code by using the kernel extension.

$ size net/core/net-procfs.o*
   text	   data	    bss	    dec	    hex	filename
   3701	    120	      0	   3821	    eed	net/core/net-procfs.o.new
   3764	    120	      0	   3884	    f2c	net/core/net-procfs.o.old

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Joe Perches 2017-06-02 02:40:44 -07:00 committed by David S. Miller
parent 342fa19644
commit fbd0ac6042
1 changed files with 4 additions and 9 deletions
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13
net/core/net-procfs.c
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@ -363,15 +363,10 @@ static int dev_mc_seq_show(struct seq_file *seq, void *v)
netif_addr_lock_bh(dev);
netdev_for_each_mc_addr(ha, dev) {
int i;
seq_printf(seq, "%-4d %-15s %-5d %-5d ", dev->ifindex,
dev->name, ha->refcount, ha->global_use);
for (i = 0; i < dev->addr_len; i++)
seq_printf(seq, "%02x", ha->addr[i]);
seq_putc(seq, '\n');
seq_printf(seq, "%-4d %-15s %-5d %-5d %*phN\n",
dev->ifindex, dev->name,
ha->refcount, ha->global_use,
(int)dev->addr_len, ha->addr);
}
netif_addr_unlock_bh(dev);
return 0;