net: nixge: Fix a signedness bug in nixge_probe()
authorDan Carpenter <dan.carpenter@oracle.com>
Wed, 25 Sep 2019 11:05:24 +0000 (14:05 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 27 Jan 2020 13:51:15 +0000 (14:51 +0100)
commit42a9b766ab1ff36d0e168a5b9e29783394596948
tree7a0ecbd4f65daf02ba78ecb03723c7a5977033d1
parentaa08e30cb7c481ced2ae7ea04441358fa71cd807
net: nixge: Fix a signedness bug in nixge_probe()

[ Upstream commit 1a4b62a0b8a3b81eca24366f63e214a7144b9f02 ]

The "priv->phy_mode" is an enum and in this context GCC will treat it
as an unsigned int so it can never be less than zero.

Fixes: 492caffa8a1a ("net: ethernet: nixge: Add support for National Instruments XGE netdev")
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>
drivers/net/ethernet/ni/nixge.c