diff options
| -rw-r--r-- | include/linux/if_ether.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h index 7a1e011b8a2c..42dc6a3571ec 100644 --- a/include/linux/if_ether.h +++ b/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 |