diff options
| author |   Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> | 2016-04-30 23:35:11 +0300 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2016-05-03 15:03:08 -0400 |
| commit | 6dd745425807dc977bbea810ef703b935002fcc3 (patch) | |
| tree | 5f634dc6db27e8ab1e466d3217097928a35f6869 /drivers | |
| parent | Merge branch 'mlx5-fixes' (diff) | |
| download | linux-dev-6dd745425807dc977bbea810ef703b935002fcc3.tar.xz linux-dev-6dd745425807dc977bbea810ef703b935002fcc3.zip | |
pxa168_eth: fix mdiobus_scan() error check
Since mdiobus_scan() returns either an error code or NULL on error, the
driver should check for both, not only for NULL, otherwise a crash is
imminent...
Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/marvell/pxa168_eth.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/net/ethernet/marvell/pxa168_eth.c b/drivers/net/ethernet/marvell/pxa168_eth.c index 7ace07dad6a3..c442f6ad15ff 100644 --- a/drivers/net/ethernet/marvell/pxa168_eth.c +++ b/drivers/net/ethernet/marvell/pxa168_eth.c @@ -979,6 +979,8 @@ static int pxa168_init_phy(struct net_device *dev) return 0; pep->phy = mdiobus_scan(pep->smi_bus, pep->phy_addr); + if (IS_ERR(pep->phy)) + return PTR_ERR(pep->phy); if (!pep->phy) return -ENODEV; |