hamradio/yam: fix info leak in ioctl
authorSalva Peiró <speiro@ai2.upv.es>
Tue, 17 Dec 2013 09:06:30 +0000 (10:06 +0100)
committerDavid S. Miller <davem@davemloft.net>
Thu, 19 Dec 2013 20:09:38 +0000 (15:09 -0500)
commit8e3fbf870481eb53b2d3a322d1fc395ad8b367ed
treeeaad28ff58992b67a2095cbd41d6fff46f1a1b82
parente9db5c21d3646a6454fcd04938dd215ac3ab620a
hamradio/yam: fix info leak in ioctl

The yam_ioctl() code fails to initialise the cmd field
of the struct yamdrv_ioctl_cfg. Add an explicit memset(0)
before filling the structure to avoid the 4-byte info leak.

Signed-off-by: Salva Peiró <speiro@ai2.upv.es>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/hamradio/yam.c