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>

diff --git a/drivers/media/video/gspca/vc032x.c b/drivers/media/video/gspca/vc032x.c
index 26675236fbd21a08d063ebf547799ad59c14d5dc..c090efcd80454e605e3935cbd3ef2231300e5dee 100644 (file)
--- 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;
        }