Extcap: Restore previously created preference from hash table, not preference pointer

Change-Id: Ie68a5c6c193f362e78d4f4b1f20edf7747e2313f
Reviewed-on: https://code.wireshark.org/review/19614
Petri-Dish: Michael Mann <mmann78@netscape.net>
Tested-by: Petri Dish Buildbot <buildbot-no-reply@wireshark.org>
Reviewed-by: Roland Knall <rknall@gmail.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/extcap.c b/extcap.c
index 3c7956732b..082193d63c 100644
--- a/extcap.c
+++ b/extcap.c
@@ -741,9 +741,9 @@ static gboolean search_cb(const gchar *extcap _U_, const gchar *ifname _U_, gcha
                     else
                     {
                         /* Been here before, restore stored value */
-                        if (! arg->pref_valptr && pref->varp.string && strlen(*pref->varp.string))
+                        if (arg->pref_valptr == NULL)
                         {
-                            arg->pref_valptr = pref->varp.string;
+                            arg->pref_valptr = (gchar**)g_hash_table_lookup(extcap_prefs_dynamic_vals, pref_ifname);
                         }
                     }