1 files changed, 3 insertions, 3 deletions

diff --git a/networking/ifupdown.c b/networking/ifupdown.c
index b2ce2a091..1842be58b 100644
--- a/networking/ifupdown.c
+++ b/networking/ifupdown.c
@@ -699,7 +699,7 @@ static const llist_t *find_list_string(const llist_t *list, const char *string)
         return(NULL);
 }
 
-static struct interfaces_file_t *read_interfaces(char *filename)
+static struct interfaces_file_t *read_interfaces(const char *filename)
 {
 #ifdef CONFIG_FEATURE_IFUPDOWN_MAPPING
         struct mapping_defn_t *currmap = NULL;
@@ -1192,7 +1192,7 @@ extern int ifupdown_main(int argc, char **argv)
         FILE *state_fp = NULL;
         llist_t *state_list = NULL;
         llist_t *target_list = NULL;
-        char *interfaces = "/etc/network/interfaces";
+        const char *interfaces = "/etc/network/interfaces";
         const char *statefile = "/var/run/ifstate";
 
 #ifdef CONFIG_FEATURE_IFUPDOWN_MAPPING
@@ -1219,7 +1219,7 @@ extern int ifupdown_main(int argc, char **argv)
                 {
                         switch (i) {
                                 case 'i':       /* interfaces */
-                                        interfaces = bb_xstrdup(optarg);
+                                        interfaces = optarg;
                                         break;
                                 case 'v':       /* verbose */
                                         verbose = 1;