[PATCH 1/1] net: bcm63xx: avoid possible null pointer dereference
From: Heinrich Schuchardt <hidden>
Date: 2016-07-31 08:26:16
Also in:
linux-arm-kernel, lkml
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
If dev_get_platdata has failed pd is null. Do not dereference a null pointer. Signed-off-by: Heinrich Schuchardt <redacted> --- 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