3.8-stable review patch. If anyone has any objections, please let me know.
------------------
From: =?UTF-8?q?Lothar=20Wa=C3=9Fmann?= <LW@xxxxxxxxxxxxxxxxxxx>
[ Upstream commit ce16294fda230c787ce5c35f61b2f80d14d70a72 ]
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 Wa�ann <LW@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/net/ethernet/ti/cpsw.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -1111,7 +1111,7 @@ static int cpsw_probe_dt(struct cpsw_pla
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;
--
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