V4L/DVB (13491): gspca - vc032x: Avoid crash on querymenu.

Signed-off-by: Jean-Francois Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/media/video/gspca/vc032x.c b/drivers/media/video/gspca/vc032x.c
index 26675236fbd2..c090efcd8045 100644
--- a/drivers/media/video/gspca/vc032x.c
+++ b/drivers/media/video/gspca/vc032x.c
@@ -3095,6 +3095,8 @@ static int sd_querymenu(struct gspca_dev *gspca_dev,
 
         switch (menu->id) {
         case V4L2_CID_POWER_LINE_FREQUENCY:
+                if (menu->index >= ARRAY_SIZE(freq_nm))
+                        break;
                 strcpy((char *) menu->name, freq_nm[menu->index]);
                 return 0;
         }