arp: small fixes for user-supplied device name case

diff --git a/networking/arp.c b/networking/arp.c
index fd418cc3f12fd52f7a401c2babda64b1adb82534..872d44b0bfd5290067ce86b2e6d8131049b031d0 100644 (file)
--- a/networking/arp.c
+++ b/networking/arp.c
@@ -408,7 +408,7 @@ static int arp_show(char *name)
                                continue;
 
                        /* if the user specified device differs, skip it */
-                       if (device && strcmp(dev, device) != 0)
+                       if (device[0])
                                continue;
 
                        shown++;
@@ -432,7 +432,7 @@ static int arp_show(char *name)
                           entries, entries - shown, shown);
 
        if (!shown) {
-               if (hw_set || host[0] || device)
+               if (hw_set || host[0] || device[0])
                        printf("No match found in %d entries\n", entries);
        }