1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c
index f5d1d89bdc26..0fab65c3ab39 100644
--- a/drivers/media/video/cx88/cx88-video.c
+++ b/drivers/media/video/cx88/cx88-video.c
@@ -1538,9 +1538,12 @@ static int radio_queryctrl (struct file *file, void *priv,
                 c->id >= V4L2_CID_LASTP1)
                 return -EINVAL;
         if (c->id == V4L2_CID_AUDIO_MUTE) {
-                for (i = 0; i < CX8800_CTLS; i++)
+                for (i = 0; i < CX8800_CTLS; i++) {
                         if (cx8800_ctls[i].v.id == c->id)
                                 break;
+                }
+                if (i == CX8800_CTLS)
+                        return -EINVAL;
                 *c = cx8800_ctls[i].v;
         } else
                 *c = no_ctl;