diff options
Diffstat (limited to 'drivers/bluetooth')
| -rw-r--r-- | drivers/bluetooth/btmrvl_sdio.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/bluetooth/btmrvl_sdio.c b/drivers/bluetooth/btmrvl_sdio.c index ec5c45672f1..1896e916ff7 100644 --- a/drivers/bluetooth/btmrvl_sdio.c +++ b/drivers/bluetooth/btmrvl_sdio.c @@ -552,7 +552,16 @@ static int btmrvl_sdio_card_to_host(struct btmrvl_private *priv) */ buf_len = payload[0]; - buf_len |= (u16) payload[1] << 8; + buf_len |= payload[1] << 8; + buf_len |= payload[2] << 16; + + if (buf_len > blksz * num_blocks) { + BT_ERR("Skip incorrect packet: hdrlen %d buffer %d", + buf_len, blksz * num_blocks); + ret = -EIO; + goto exit; + } + type = payload[3]; switch (type) { |