summaryrefslogtreecommitdiff
path: root/drivers/net
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2017-01-04 13:45:09 -0500
committerDavid S. Miller <davem@davemloft.net>2017-01-04 13:45:09 -0500
commitaa9773be2ad5afe7acc186aedbf3b4857611d4ed (patch)
tree4a9aa35870217e0953850428c59eb1c5fa330b3e /drivers/net
parentc030af878f04b77011f6876e8c4f0530c26ed6d4 (diff)
parent0fbb0f24dde8759925fc56e9dbc6a5b2cbba99c4 (diff)
Merge branch 'dpaa_eth-fixes'
Madalin Bucur says: ==================== dpaa_eth: a couple of fixes Add cleanup on PHY initialization failure path, avoid using uninitialized memory at CGR init. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
-rw-r--r--drivers/net/ethernet/freescale/dpaa/dpaa_eth.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
index 624ba9058dc4..c9b7ad65e563 100644
--- a/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
+++ b/drivers/net/ethernet/freescale/dpaa/dpaa_eth.c
@@ -733,6 +733,7 @@ static int dpaa_eth_cgr_init(struct dpaa_priv *priv)
priv->cgr_data.cgr.cb = dpaa_eth_cgscn;
/* Enable Congestion State Change Notifications and CS taildrop */
+ memset(&initcgr, 0, sizeof(initcgr));
initcgr.we_mask = cpu_to_be16(QM_CGR_WE_CSCN_EN | QM_CGR_WE_CS_THRES);
initcgr.cgr.cscn_en = QM_CGR_EN;
@@ -2291,7 +2292,8 @@ static int dpaa_open(struct net_device *net_dev)
net_dev->phydev = mac_dev->init_phy(net_dev, priv->mac_dev);
if (!net_dev->phydev) {
netif_err(priv, ifup, net_dev, "init_phy() failed\n");
- return -ENODEV;
+ err = -ENODEV;
+ goto phy_init_failed;
}
for (i = 0; i < ARRAY_SIZE(mac_dev->port); i++) {
@@ -2314,6 +2316,7 @@ mac_start_failed:
for (i = 0; i < ARRAY_SIZE(mac_dev->port); i++)
fman_port_disable(mac_dev->port[i]);
+phy_init_failed:
dpaa_eth_napi_disable(priv);
return err;
@@ -2420,6 +2423,7 @@ static int dpaa_ingress_cgr_init(struct dpaa_priv *priv)
}
/* Enable CS TD, but disable Congestion State Change Notifications. */
+ memset(&initcgr, 0, sizeof(initcgr));
initcgr.we_mask = cpu_to_be16(QM_CGR_WE_CS_THRES);
initcgr.cgr.cscn_en = QM_CGR_EN;
cs_th = DPAA_INGRESS_CS_THRESHOLD;