tree 58b23bdebd39f1180ec45aca275495a139fa864b
parent 97cca37c9b3ffdb7629d9ad4c136e41c50ed19f3
author Dan Carpenter <dan.carpenter@oracle.com> 1578402281 +0300
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1582529689 +0100

cmd64x: potential buffer overflow in cmd64x_program_timings()

[ Upstream commit 117fcc3053606d8db5cef8821dca15022ae578bb ]

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>
Signed-off-by: Sasha Levin <sashal@kernel.org>