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authorJohan Hedberg <johan.hedberg@intel.com>2016-04-07 21:01:27 +0300
committerMarcel Holtmann <marcel@holtmann.org>2016-04-08 18:51:44 +0200
commit56b40fbf61a247e23b50e426971148b2e50262e0 (patch)
treeed77f6fbcbedfaebf71912a7bdf85ade50548f5d /net/bluetooth
parentf18ba58f538e44a701ad0b86d47bb57b917d7c0a (diff)
downloadlinux-56b40fbf61a247e23b50e426971148b2e50262e0.tar.bz2
Bluetooth: Ignore unknown advertising packet types
In case of buggy controllers send advertising packet types that we don't know of we should simply ignore them instead of trying to react to them in some (potentially wrong) way. Signed-off-by: Johan Hedberg <johan.hedberg@intel.com> Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/bluetooth')
-rw-r--r--net/bluetooth/hci_event.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index c162af5d16bf..d4b3dd5413be 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -4727,6 +4727,19 @@ static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
u32 flags;
u8 *ptr, real_len;
+ switch (type) {
+ case LE_ADV_IND:
+ case LE_ADV_DIRECT_IND:
+ case LE_ADV_SCAN_IND:
+ case LE_ADV_NONCONN_IND:
+ case LE_ADV_SCAN_RSP:
+ break;
+ default:
+ BT_ERR_RATELIMITED("Unknown advetising packet type: 0x%02x",
+ type);
+ return;
+ }
+
/* Find the end of the data in case the report contains padded zero
* bytes at the end causing an invalid length value.
*