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Bluetooth: Check result code of L2CAP information response

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Check result code of L2CAP information response. Otherwise
it would read invalid feature mask and access invalid memory.

Signed-off-by: Ville Tervo <ville.tervo@nokia.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Ville Tervo 2010-08-04 09:43:33 +03:00 committed by Marcel Holtmann
parent 6340650400
commit adb08edea0
1 changed files with 9 additions and 0 deletions
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9
net/bluetooth/l2cap.c
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@ -3348,6 +3348,15 @@ static inline int l2cap_information_rsp(struct l2cap_conn *conn, struct l2cap_cm
del_timer(&conn->info_timer);
if (result != L2CAP_IR_SUCCESS) {
conn->info_state |= L2CAP_INFO_FEAT_MASK_REQ_DONE;
conn->info_ident = 0;
l2cap_conn_start(conn);
return 0;
}
if (type == L2CAP_IT_FEAT_MASK) {
conn->feat_mask = get_unaligned_le32(rsp->data);