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net sysfs: Print link speed as signed integer 

Otherwise 4294967295 (MBit/s) (-1) will be printed when there is no link.
Documentation/ABI/testing/sysfs-class-net does not state if this shall be
signed or unsigned.
Also remove the now unused variable fmt_udec.

Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexander Stein 2015-09-28 15:05:33 +02:00 committed by David S. Miller
parent 4c52b1da53
commit 75c261b51b
1 changed files with 1 additions and 2 deletions
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3
net/core/net-sysfs.c
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@ -31,7 +31,6 @@
static const char fmt_hex[] = "%#x\n";
static const char fmt_long_hex[] = "%#lx\n";
static const char fmt_dec[] = "%d\n";
static const char fmt_udec[] = "%u\n";
static const char fmt_ulong[] = "%lu\n";
static const char fmt_u64[] = "%llu\n";
@ -202,7 +201,7 @@ static ssize_t speed_show(struct device *dev,
if (netif_running(netdev)) {
struct ethtool_cmd cmd;
if (!__ethtool_get_settings(netdev, &cmd))
ret = sprintf(buf, fmt_udec, ethtool_cmd_speed(&cmd));
ret = sprintf(buf, fmt_dec, ethtool_cmd_speed(&cmd));
}
rtnl_unlock();
return ret;