cmd64x: potential buffer overflow in cmd64x_program_timings()
authorDan Carpenter <dan.carpenter@oracle.com>
Tue, 7 Jan 2020 13:04:41 +0000 (16:04 +0300)
committerDavid S. Miller <davem@davemloft.net>
Mon, 20 Jan 2020 12:38:27 +0000 (13:38 +0100)
commit117fcc3053606d8db5cef8821dca15022ae578bb
tree412f04483800c0222cfdf95b728af0aed17759ee
parent0fdeae5036086aa214a45e598c079a3334bc15c3
cmd64x: potential buffer overflow in cmd64x_program_timings()

The "drive->dn" value is a u8 and it is controlled by root only, but
it could be out of bounds here so let's check.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/ide/cmd64x.c