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net: ethernet: cpsw: fix erroneous condition in error check

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The error check in cpsw_probe_dt() has an '&&' where an '||' is
meant to be. This causes a NULL pointer dereference when incomplet DT
data is passed to the driver ('phy_id' property for cpsw_emac1
missing).

Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Lothar Waßmann 2013-03-21 02:20:11 +00:00 committed by David S. Miller
parent cb0e51d806
commit ce16294fda
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/ti/cpsw.c
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@ -1364,7 +1364,7 @@ static int cpsw_probe_dt(struct cpsw_platform_data *data,
struct platform_device *mdio;
parp = of_get_property(slave_node, "phy_id", &lenp);
if ((parp == NULL) && (lenp != (sizeof(void *) * 2))) {
if ((parp == NULL) || (lenp != (sizeof(void *) * 2))) {
pr_err("Missing slave[%d] phy_id property\n", i);
ret = -EINVAL;
goto error_ret;