diff options
| -rw-r--r-- | drivers/media/rc/rc-main.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/media/rc/rc-main.c b/drivers/media/rc/rc-main.c index f306e67b8b66..7aaf28bcb01e 100644 --- a/drivers/media/rc/rc-main.c +++ b/drivers/media/rc/rc-main.c @@ -733,7 +733,7 @@ EXPORT_SYMBOL_GPL(rc_keydown_notimeout); static int rc_validate_filter(struct rc_dev *dev, struct rc_scancode_filter *filter) { - static u32 masks[] = { + static const u32 masks[] = { [RC_TYPE_RC5] = 0x1f7f, [RC_TYPE_RC5X_20] = 0x1f7f3f, [RC_TYPE_RC5_SZ] = 0x2fff, @@ -757,6 +757,9 @@ static int rc_validate_filter(struct rc_dev *dev, u32 s = filter->data; enum rc_type protocol = dev->wakeup_protocol; + if (protocol >= ARRAY_SIZE(masks)) + return -EINVAL; + switch (protocol) { case RC_TYPE_NECX: if ((((s >> 16) ^ ~(s >> 8)) & 0xff) == 0) |