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Commit e142dc1e authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Greg Kroah-Hartman
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uwb: Replace mac address parsing



Replace sscanf() with mac_pton().

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 102402a7
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+1 −0
Original line number Diff line number Diff line
@@ -5,6 +5,7 @@
menuconfig UWB
	tristate "Ultra Wideband devices"
	default n
	select GENERIC_NET_UTILS
	help
	  UWB is a high-bandwidth, low-power, point-to-point radio
	  technology using a wide spectrum (3.1-10.6GHz). It is
+4 −10
Original line number Diff line number Diff line
@@ -336,23 +336,17 @@ static ssize_t uwb_rc_mac_addr_store(struct device *dev,
	struct uwb_mac_addr addr;
	ssize_t result;

	result = sscanf(buf, "%hhx:%hhx:%hhx:%hhx:%hhx:%hhx\n",
			&addr.data[0], &addr.data[1], &addr.data[2],
			&addr.data[3], &addr.data[4], &addr.data[5]);
	if (result != 6) {
		result = -EINVAL;
		goto out;
	}
	if (!mac_pton(buf, addr.data))
		return -EINVAL;
	if (is_multicast_ether_addr(addr.data)) {
		dev_err(&rc->uwb_dev.dev, "refusing to set multicast "
			"MAC address %s\n", buf);
		result = -EINVAL;
		goto out;
		return -EINVAL;
	}
	result = uwb_rc_mac_addr_set(rc, &addr);
	if (result == 0)
		rc->uwb_dev.mac_addr = addr;
out:

	return result < 0 ? result : size;
}
DEVICE_ATTR(mac_address, S_IRUGO | S_IWUSR, uwb_rc_mac_addr_show, uwb_rc_mac_addr_store);