fix wprobe-export

[openwrt/staging/florian.git] / package / wprobe / src / exporter / wprobe-export.c

diff --git a/package/wprobe/src/exporter/wprobe-export.c b/package/wprobe/src/exporter/wprobe-export.c
index b09260692047b0128089dd199b0b4008c28eb9cd..48be5f36bcc4218ff77632ccb942abd013edab10 100644 (file)
--- a/package/wprobe/src/exporter/wprobe-export.c
+++ b/package/wprobe/src/exporter/wprobe-export.c
@@ -194,6 +194,7 @@ int main ( int argc, char **argv )
     int port = IPFIX_PORTNO;
     int verbose_level = 0;
     int opt, i = 10;
+       char *err = NULL;
 
        while ((opt = getopt(argc, argv, "hi:c:p:vstu")) != EOF) {
                switch (opt) {
@@ -252,9 +253,9 @@ int main ( int argc, char **argv )
                return -1;
        }
 
-       dev = wprobe_get_auto(ifname);
+       dev = wprobe_get_auto(ifname, &err);
        if (!dev || (list_empty(&dev->global_attr) && list_empty(&dev->link_attr))) {
-               fprintf(stderr, "Cannot connect to wprobe on interface '%s'\n", ifname);
+               fprintf(stderr, "Cannot connect to wprobe on interface '%s': %s\n", ifname, (err ? err : "Unknown error"));
                return -1;
        }