fixed problem with system() return value

1 files changed, 7 insertions, 1 deletions

diff --git a/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc b/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc
index 62c2940..dcc73f8 100644
--- a/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc
+++ b/noncore/net/wellenreiter/libwellenreiter/source/cardmode.cc
@@ -70,28 +70,34 @@ int card_into_monitormode (void *orighandle, char *device, int cardtype)
   }
   
 #ifdef HAVE_PCAP_NONBLOCK
   pcap_setnonblock(handle, 1, errstr);
 #endif
   
   /* getting the datalink type */
   datalink = pcap_datalink(handle);
   
   if (datalink != DLT_IEEE802_11) /* Rawmode is IEEE802_11 */
   {
       wl_loginfo("Interface %s does not work in the correct 802.11 raw mode", device);
       pcap_close(handle); 
       return 0;
   }
   wl_loginfo("Your successfully listen on %s in 802.11 raw mode", device);
   
   return 1;
 }
 
 /* Set card into promisc mode */
 int card_set_promisc_up (const char *device)
 {
   char ifconfigcmd[32];
+  int retval=0;
+
   snprintf(ifconfigcmd, sizeof(ifconfigcmd), SBIN_PATH, device);
+  retval = system(ifconfigcmd);
 
-  return (system(ifconfigcmd) ? 1 : 0);
+  if(retval < 0 || retval == 0)
+    return 0;
+  
+return 1;
 }