eth: Make is_link_local() consistent with other address tests

Function name should include '_ether_addr'.
Return type should be bool.
Parameter name should be 'addr' not 'dest' (also matching kernel-doc).

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Acked-by: John Fastabend <john.r.fastabend@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/linux/etherdevice.h b/include/linux/etherdevice.h
index 45ded4b..7cf2516 100644
--- a/include/linux/etherdevice.h
+++ b/include/linux/etherdevice.h
@@ -55,15 +55,15 @@
 static const u8 br_reserved_address[ETH_ALEN] = { 0x01, 0x80, 0xc2, 0x00, 0x00, 0x00 };
 
 /**
- * is_link_local -  Determine if given Eth addr is a link local mcast address.
+ * is_link_local_ether_addr - Determine if given Ethernet address is link-local
  * @addr: Pointer to a six-byte array containing the Ethernet address
  *
  * Return true if address is link local reserved addr (01:80:c2:00:00:0X) per
  * IEEE 802.1Q 8.6.3 Frame filtering.
  */
-static inline int is_link_local(const unsigned char *dest)
+static inline bool is_link_local_ether_addr(const u8 *addr)
 {
-	__be16 *a = (__be16 *)dest;
+	__be16 *a = (__be16 *)addr;
 	static const __be16 *b = (const __be16 *)br_reserved_address;
 	static const __be16 m = cpu_to_be16(0xfff0);