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phy: ti: ensure priv is not null before dereferencing it

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Currently priv is being dereferenced before priv is being null checked.
Fix this by moving the null check on priv before the dereference.

Detected by CoverityScan, CID#1476018 ("Dereference before null check")

Fixes: 92b58b3474 ("phy: ti: introduce phy-gmii-sel driver")
Signed-off-by: Colin Ian King <[email protected]>
Signed-off-by: Kishon Vijay Abraham I <[email protected]>
This commit is contained in:
Colin Ian King 2018-12-22 11:56:53 +00:00 • committed by Kishon Vijay Abraham I
commit 1138a442a0
1 changed files with 2 additions and 2 deletions
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4
drivers/phy/ti/phy-gmii-sel.c
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@ -204,11 +204,11 @@ static struct phy *phy_gmii_sel_of_xlate(struct device *dev,
if (args->args_count < 1)
return ERR_PTR(-EINVAL);
if (!priv || !priv->if_phys)
return ERR_PTR(-ENODEV);
if (priv->soc_data->features & BIT(PHY_GMII_SEL_RMII_IO_CLK_EN) &&
args->args_count < 2)
return ERR_PTR(-EINVAL);
if (!priv || !priv->if_phys)
return ERR_PTR(-ENODEV);
if (phy_id > priv->soc_data->num_ports)
return ERR_PTR(-EINVAL);
if (phy_id != priv->if_phys[phy_id - 1].id)