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path: root/drivers/media/usb/pvrusb2/pvrusb2-hdw.c
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Diffstat (limited to 'drivers/media/usb/pvrusb2/pvrusb2-hdw.c')
-rw-r--r--drivers/media/usb/pvrusb2/pvrusb2-hdw.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-hdw.c b/drivers/media/usb/pvrusb2/pvrusb2-hdw.c
index 1eb4f7ba2967..ff489645e070 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-hdw.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-hdw.c
@@ -670,6 +670,8 @@ static int ctrl_get_input(struct pvr2_ctrl *cptr,int *vp)
static int ctrl_check_input(struct pvr2_ctrl *cptr,int v)
{
+ if (v < 0 || v > PVR2_CVAL_INPUT_MAX)
+ return 0;
return ((1 << v) & cptr->hdw->input_allowed_mask) != 0;
}