tree ae3d09c16bea2dc26496a1155cc08104321d46ae
parent 22f2efed35e02a7c0b1ec73cfe790b1e3d207f4b
author Johan Hedberg <johan.hedberg@intel.com> 1369737990 +0300
committer John W. Linville <linville@tuxdriver.com> 1371046854 -0400

Bluetooth: Fix missing length checks for L2CAP signalling PDUs

There has been code in place to check that the L2CAP length header
matches the amount of data received, but many PDU handlers have not been
checking that the data received actually matches that expected by the
specific PDU. This patch adds passing the length header to the specific
handler functions and ensures that those functions fail cleanly in the
case of an incorrect amount of data.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Cc: stable@vger.kernel.org
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: John W. Linville <linville@tuxdriver.com>