diff --git a/[refs] b/[refs]
index b7a9905fe56c..1038523f7197 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 988d0093f9cb2bf27c299e373f9cbaac47dab2c1
+refs/heads/master: 8f789c48448aed74fe1c07af76de8f04adacec7d
diff --git a/trunk/include/linux/if_ether.h b/trunk/include/linux/if_ether.h
index 7a1e011b8a2c..42dc6a3571ec 100644
--- a/trunk/include/linux/if_ether.h
+++ b/trunk/include/linux/if_ether.h
@@ -129,7 +129,7 @@ extern ssize_t sysfs_format_mac(char *buf, const unsigned char *addr, int len);
 /*
  *	Display a 6 byte device address (MAC) in a readable format.
  */
-extern char *print_mac(char *buf, const unsigned char *addr);
+extern __pure char *print_mac(char *buf, const unsigned char *addr);
 #define MAC_BUF_SIZE	18
 #define DECLARE_MAC_BUF(var) char var[MAC_BUF_SIZE] __maybe_unused