[coverity] playlist.c format_track_path() guard NULL pointers

Change-Id: If029477ef9f38ee57b3afb7901d7429319675cc5

1 files changed, 6 insertions, 0 deletions

diff --git a/apps/playlist.c b/apps/playlist.c
index 77e0ee4370..70637b39a2 100644
--- a/apps/playlist.c
+++ b/apps/playlist.c
@@ -555,6 +555,12 @@ static ssize_t format_track_path(char *dest, char *src, int buf_length,
                                  const char *dir, size_t dlen)
 {
     /* Look for the end of the string (includes NULL) */
+
+    if (!src || !dest || !dir)
+    {
+        DEBUGF("%s() bad pointer", __func__);
+        return -2; /* bad pointers */
+    }
     size_t len = strcspn(src, "\r\n");;
     /* Now work back killing white space */
     while (len > 0)