wanxl: fix info leak in ioctl
authorSalva Peiró <speiro@ai2.upv.es>
Wed, 16 Oct 2013 10:46:50 +0000 (12:46 +0200)
committerDavid S. Miller <davem@davemloft.net>
Fri, 18 Oct 2013 20:04:25 +0000 (16:04 -0400)
commit2b13d06c9584b4eb773f1e80bbaedab9a1c344e1
tree401bfe11c8f592d0a6927ff0f36b2deda8ef80f6
parentb8bde1c4f94908ce8e3c0434fb369a00e9217497
wanxl: fix info leak in ioctl

The wanxl_ioctl() 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: Salva Peiró <speiro@ai2.upv.es>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/wan/wanxl.c