2 files changed, 10 insertions, 6 deletions

diff --git a/plugins-root/check_dhcp.c b/plugins-root/check_dhcp.c
index ad673237..2d742349 100644
--- a/plugins-root/check_dhcp.c
+++ b/plugins-root/check_dhcp.c
@@ -229,7 +229,7 @@ struct in_addr requested_address;
 
 int process_arguments(int, char **);
 int call_getopt(int, char **);
-int validate_arguments(int, int);
+int validate_arguments(int);
 void print_usage(void);
 void print_help(void);
 
@@ -1059,8 +1059,8 @@ int process_arguments(int argc, char **argv){
                 return ERROR;
 
         arg_index = call_getopt(argc,argv);
-        return validate_arguments(argc,arg_index);
-        }
+        return validate_arguments(argc);
+}
 
 
 
@@ -1158,13 +1158,13 @@ int call_getopt(int argc, char **argv){
         }
 
 
-int validate_arguments(int argc, int arg_index){
+int validate_arguments(int argc){
 
-        if(argc-optind > 0)
+        if(argc - optind > 0)
                 usage(_("Got unexpected non-option argument"));
 
         return OK;
-        }
+}
 
 
 #if defined(__sun__) || defined(__solaris__) || defined(__hpux__)
diff --git a/plugins-root/check_icmp.c b/plugins-root/check_icmp.c
index 9ceb35b2..edfd6949 100644
--- a/plugins-root/check_icmp.c
+++ b/plugins-root/check_icmp.c
@@ -1436,11 +1436,15 @@ get_ip_address(const char *ifname)
         struct ifreq ifr;
 
         strncpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name) - 1);
+
         ifr.ifr_name[sizeof(ifr.ifr_name) - 1] = '\0';
+
         if(ioctl(icmp_sock, SIOCGIFADDR, &ifr) == -1)
                 crash("Cannot determine IP address of interface %s", ifname);
+
         memcpy(&ip, &ifr.ifr_addr, sizeof(ip));
 #else
+        (void) ifname;
         errno = 0;
         crash("Cannot get interface IP address on this platform.");
 #endif