farsync: fix info leak in ioctl
authorSalva Peiró <speiro@ai2.upv.es>
Fri, 11 Oct 2013 09:50:03 +0000 (12:50 +0300)
committerDavid S. Miller <davem@davemloft.net>
Fri, 11 Oct 2013 21:50:59 +0000 (17:50 -0400)
commit96b340406724d87e4621284ebac5e059d67b2194
treee74c02cbe36b3630dd083402d1d353eca81e2038
parentbf58175954f2d390300df00f96070312d1b15096
farsync: fix info leak in ioctl

The fst_get_iface() code fails to initialize the two padding bytes of
struct sync_serial_settings after the ->loopback member. Add an explicit
memset(0) before filling the structure to avoid the info leak.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/wan/farsync.c