tree b68553f2ddc2564bf17b4e28c1c7ee363dd40517
parent c8c499175f7d295ef867335bceb9a76a2c3cdc38
author Mathias Krause <minipli@googlemail.com> 1365299512 +0000
committer David S. Miller <davem@davemloft.net> 1365366481 -0400

caif: Fix missing msg_namelen update in caif_seqpkt_recvmsg()

The current code does not fill the msg_name member in case it is set.
It also does not set the msg_namelen member to 0 and therefore makes
net/socket.c leak the local, uninitialized sockaddr_storage variable
to userland -- 128 bytes of kernel stack memory.

Fix that by simply setting msg_namelen to 0 as obviously nobody cared
about caif_seqpkt_recvmsg() not filling the msg_name in case it was
set.

Cc: Sjur Braendeland <sjur.brandeland@stericsson.com>
Signed-off-by: Mathias Krause <minipli@googlemail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>