1 files changed, 3 insertions, 6 deletions

diff --git a/networking/ifupdown.c b/networking/ifupdown.c
index 9fc1266da..650cc706f 100644
--- a/networking/ifupdown.c
+++ b/networking/ifupdown.c
@@ -49,9 +49,6 @@
 #include <fnmatch.h>
 
 #define MAX_OPT_DEPTH 10
-#define EUNBALBRACK 10001
-#define EUNDEFVAR   10002
-#define EUNBALPER   10000
 
 #if ENABLE_FEATURE_IFUPDOWN_MAPPING
 #define MAX_INTERFACE_LENGTH 10
@@ -283,7 +280,7 @@ static char *parse(const char *command, struct interface_defn_t *ifd)
                                 command++;
                                 nextpercent = strchr(command, '%');
                                 if (!nextpercent) {
-                                        errno = EUNBALPER;
+                                        /* Unterminated %var% */
                                         free(result);
                                         return NULL;
                                 }
@@ -328,13 +325,13 @@ static char *parse(const char *command, struct interface_defn_t *ifd)
         }
 
         if (opt_depth > 1) {
-                errno = EUNBALBRACK;
+                /* Unbalanced bracket */
                 free(result);
                 return NULL;
         }
 
         if (!okay[0]) {
-                errno = EUNDEFVAR;
+                /* Undefined variable and we aren't in a bracket */
                 free(result);
                 return NULL;
         }