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Bluetooth: Ignore H5 non-link packets in non-active state

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When detecting a non-link packet, h5_reset_rx() frees the Rx skb.
Not returning after that will cause the upcoming h5_rx_payload()
call to dereference a now NULL Rx skb and trigger a kernel oops.

Signed-off-by: Loic Poulain <loic.poulain@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Cc: stable@vger.kernel.org
This commit is contained in:
Loic Poulain 2014-06-23 17:42:44 +02:00 committed by Marcel Holtmann
parent 1d56dc4f5f
commit 48439d501e
1 changed files with 1 additions and 0 deletions
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drivers/bluetooth/hci_h5.c
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@ -406,6 +406,7 @@ static int h5_rx_3wire_hdr(struct hci_uart *hu, unsigned char c)
H5_HDR_PKT_TYPE(hdr) != HCI_3WIRE_LINK_PKT) {
BT_ERR("Non-link packet received in non-active state");
h5_reset_rx(h5);
return 0;
}
h5->rx_func = h5_rx_payload;