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net/ipv4/arp.c: Use common hex_asc helpers 

Here the local hexbuf is a duplicate of global const char hex_asc from
lib/hexdump.c, except the hex letters' cases:

	const char hexbuf[] = "0123456789ABCDEF";

	const char hex_asc[] = "0123456789abcdef";

and here to print HW addresses, the hex cases are not significant.

Thanks to Harvey Harrison to introduce the hex_asc_hi/hex_asc_lo helpers.

Signed-off-by: Denis Cheng <crquan@gmail.com>
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Denis Cheng 2008-05-21 17:34:32 -07:00 committed by David S. Miller
parent b1443e2f65
commit 51f82a2b12
1 changed files with 2 additions and 3 deletions
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5
net/ipv4/arp.c
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@ -1288,7 +1288,6 @@ static void arp_format_neigh_entry(struct seq_file *seq,
struct neighbour *n)
{
char hbuffer[HBUFFERLEN];
const char hexbuf[] = "0123456789ABCDEF";
int k, j;
char tbuf[16];
struct net_device *dev = n->dev;
@ -1302,8 +1301,8 @@ static void arp_format_neigh_entry(struct seq_file *seq,
else {
#endif
for (k = 0, j = 0; k < HBUFFERLEN - 3 && j < dev->addr_len; j++) {
hbuffer[k++] = hexbuf[(n->ha[j] >> 4) & 15];
hbuffer[k++] = hexbuf[n->ha[j] & 15];
hbuffer[k++] = hex_asc_hi(n->ha[j]);
hbuffer[k++] = hex_asc_lo(n->ha[j]);
hbuffer[k++] = ':';
}
hbuffer[--k] = 0;