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authorLothar Waßmann <LW@KARO-electronics.de>2013-03-21 02:20:11 +0000
committerDavid S. Miller <davem@davemloft.net>2013-03-21 11:57:42 -0400
commitce16294fda230c787ce5c35f61b2f80d14d70a72 (patch)
tree99a974957b09721e0379f58ca25da4e5ee68fe0d /drivers/net/ethernet
parentcb0e51d80694fc9964436be1a1a15275e991cb1e (diff)
net: ethernet: cpsw: fix erroneous condition in error check
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>
Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r--drivers/net/ethernet/ti/cpsw.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/ethernet/ti/cpsw.c b/drivers/net/ethernet/ti/cpsw.c
index 75c48558e6f..df32a090d08 100644
--- a/drivers/net/ethernet/ti/cpsw.c
+++ b/drivers/net/ethernet/ti/cpsw.c
@@ -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;