Concatenating the patterns makes more sense than using the last
supplied value and leaking the previous allocated patterns.
---
 src/main.c | 17 ++++++++++++++---
 1 file changed, 14 insertions(+), 3 deletions(-)

diff --git a/src/main.c b/src/main.c
index 46bb90b..b43bb4e 100644
--- a/src/main.c
+++ b/src/main.c
@@ -137,10 +137,19 @@ static gboolean option_version = FALSE;
 static gboolean parse_debug(const char *key, const char *value,
                                        gpointer user_data, GError **error)
 {
-       if (value)
-               option_debug = g_strdup(value);
-       else
+       if (value) {
+               if (option_debug) {
+                       char *prev = option_debug;
+
+                       option_debug = g_strconcat(prev, ",", value, NULL);
+                       g_free(prev);
+               } else {
+                       option_debug = g_strdup(value);
+               }
+       } else {
+               g_free(option_debug);
                option_debug = g_strdup("*");
+       }
 
        return TRUE;
 }
@@ -262,5 +271,7 @@ cleanup:
 
        __ofono_log_cleanup();
 
+       g_free(option_debug);
+
        return 0;
 }
-- 
1.9.1

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