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List: linux-arm-kernel
Subject: [PATCH 1/1] net: bcm63xx: avoid possible null pointer dereference
From: Heinrich Schuchardt <xypron.glpk () gmx ! de>
Date: 2016-07-31 8:24:29
Message-ID: 1469953469-20782-1-git-send-email-xypron.glpk () gmx ! de
[Download RAW message or body]
If dev_get_platdata has failed pd is null.
Do not dereference a null pointer.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
---
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
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