diff options
| -rw-r--r-- | drivers/media/pci/cx18/cx18-ioctl.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/media/pci/cx18/cx18-ioctl.c b/drivers/media/pci/cx18/cx18-ioctl.c index 414b0ec..1110bcb 100644 --- a/drivers/media/pci/cx18/cx18-ioctl.c +++ b/drivers/media/pci/cx18/cx18-ioctl.c @@ -367,6 +367,8 @@ static int cx18_g_register(struct file *file, void *fh, { struct cx18 *cx = fh2id(fh)->cx; + if (reg->reg & 0x3) + return -EINVAL; if (reg->reg >= CX18_MEM_OFFSET + CX18_MEM_SIZE) return -EINVAL; reg->size = 4; @@ -379,6 +381,8 @@ static int cx18_s_register(struct file *file, void *fh, { struct cx18 *cx = fh2id(fh)->cx; + if (reg->reg & 0x3) + return -EINVAL; if (reg->reg >= CX18_MEM_OFFSET + CX18_MEM_SIZE) return -EINVAL; cx18_write_enc(cx, reg->val, reg->reg); |