mpdclient: check to assertion in mpdclient_cmd_add()

It's illegal to pass song=NULL.

diff --git a/src/mpdclient.c b/src/mpdclient.c
index e718cd93771bd15d16e2cf9a05241138f4e1edf6..d95e278f55f6a82c81fb40634d5240681b2c1f38 100644 (file)
--- a/src/mpdclient.c
+++ b/src/mpdclient.c
@@ -402,10 +402,10 @@ mpdclient_cmd_add(struct mpdclient *c, const struct mpd_song *song)
 {
        gint retval = 0;
 
-       if (MPD_ERROR(c))
-               return -1;
+       assert(c != NULL);
+       assert(song != NULL);
 
-       if (song == NULL)
+       if (MPD_ERROR(c))
                return -1;
 
        /* send the add command to mpd */