diff options
| author | Oleksij Rempel <o.rempel@pengutronix.de> | 2021-04-29 13:08:31 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-04-29 15:54:35 -0700 |
| commit | d27f0201b93cb1016c232c46e0b8e1bf4c02a7ea (patch) | |
| tree | ad291b525b8e03c5aa1856e54429a3aaf335616a | |
| parent | 8343b1f8b97ac016150c8303f95b63b20b98edf8 (diff) | |
net: dsa: ksz: ksz8863_smi_probe: fix possible NULL pointer dereference
Fix possible NULL pointer dereference in case devm_kzalloc() failed to
allocate memory.
Fixes: 60a364760002 ("net: dsa: microchip: Add Microchip KSZ8863 SMI based driver support")
Reported-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | drivers/net/dsa/microchip/ksz8863_smi.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/dsa/microchip/ksz8863_smi.c b/drivers/net/dsa/microchip/ksz8863_smi.c index 30d97ea7a949..9fb38e99001a 100644 --- a/drivers/net/dsa/microchip/ksz8863_smi.c +++ b/drivers/net/dsa/microchip/ksz8863_smi.c @@ -147,6 +147,9 @@ static int ksz8863_smi_probe(struct mdio_device *mdiodev) int i; ksz8 = devm_kzalloc(&mdiodev->dev, sizeof(struct ksz8), GFP_KERNEL); + if (!ksz8) + return -ENOMEM; + ksz8->priv = mdiodev; dev = ksz_switch_alloc(&mdiodev->dev, ksz8); |