extcap: check preference in extcap_ensure_interface().

Change-Id: I2b854b410e54b9f85ce26212d908c474f4611929
Reviewed-on: https://code.wireshark.org/review/25289
Petri-Dish: Dario Lombardo <lomato@gmail.com>
Tested-by: Petri Dish Buildbot
Reviewed-by: Anders Broman <a.broman58@gmail.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/extcap.c b/extcap.c
index 9b77c3a9be..392e2b6689 100644
--- a/extcap.c
+++ b/extcap.c
@@ -1483,6 +1483,9 @@ extcap_ensure_interface(const gchar * toolname, gboolean create_if_nonexist)
 {
     extcap_info * element = 0;
 
+    if ( prefs.capture_no_extcap )
+        return NULL;
+
     if ( ! toolname )
         return element;