diff options
| -rw-r--r-- | drivers/media/pci/ivtv/ivtv-ioctl.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/media/pci/ivtv/ivtv-ioctl.c b/drivers/media/pci/ivtv/ivtv-ioctl.c index 944300f7c60b..807b275a847e 100644 --- a/drivers/media/pci/ivtv/ivtv-ioctl.c +++ b/drivers/media/pci/ivtv/ivtv-ioctl.c @@ -696,6 +696,8 @@ static int ivtv_itvc(struct ivtv *itv, bool get, u64 reg, u64 *val) { volatile u8 __iomem *reg_start; + if (reg & 0x3) + return -EINVAL; if (reg >= IVTV_REG_OFFSET && reg < IVTV_REG_OFFSET + IVTV_REG_SIZE) reg_start = itv->reg_mem - IVTV_REG_OFFSET; else if (itv->has_cx23415 && reg >= IVTV_DECODER_OFFSET && |