[PATCH 1/1] net: bcm63xx: avoid possible null pointer dereference
From: Heinrich Schuchardt
Date: Sun Jul 31 2016 - 04:26:36 EST
If dev_get_platdata has failed pd is null.
Do not dereference a null pointer.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@xxxxxx>
---
drivers/net/ethernet/broadcom/bcm63xx_enet.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/broadcom/bcm63xx_enet.c b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
index 87c6b5b..6c8bc5f 100644
--- a/drivers/net/ethernet/broadcom/bcm63xx_enet.c
+++ b/drivers/net/ethernet/broadcom/bcm63xx_enet.c
@@ -1859,7 +1859,7 @@ static int bcm_enet_probe(struct platform_device *pdev)
} else {
/* run platform code to initialize PHY device */
- if (pd->mii_config &&
+ if (pd && pd->mii_config &&
pd->mii_config(dev, 1, bcm_enet_mdio_read_mii,
bcm_enet_mdio_write_mii)) {
dev_err(&pdev->dev, "unable to configure mdio bus\n");
--
2.8.1