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authorPeter Chen <peter.chen@nxp.com>2016-08-01 15:02:42 +0800
committerDavid S. Miller <davem@davemloft.net>2016-08-01 21:43:49 -0700
commit4613b279bee7954f1378c6339618641fdc4a675f (patch)
tree869893e846d9ab85e10d0b512381553eff475718 /drivers/net/ethernet
parentf7113b3af1ab5218882a79ac1bbeeaad4f46fbc3 (diff)
ethernet: stmicro: stmmac: add missing of_node_put after calling of_parse_phandle
of_node_put needs to be called when the device node which is got from of_parse_phandle has finished using. This commit fixes both local (in stmmac_axi_setup) and global (plat->phy_node) device_node for this issue, and using the correct device node when tries to put node at stmmac_probe_config_dt for error path. Signed-off-by: Peter Chen <peter.chen@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_main.c1
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c7
2 files changed, 6 insertions, 2 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index c23ccabc2d8a..4c8c60af7985 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -3397,6 +3397,7 @@ int stmmac_dvr_remove(struct device *dev)
stmmac_set_mac(priv->ioaddr, false);
netif_carrier_off(ndev);
unregister_netdev(ndev);
+ of_node_put(priv->plat->phy_node);
if (priv->stmmac_rst)
reset_control_assert(priv->stmmac_rst);
clk_disable_unprepare(priv->pclk);
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index f7dfc0ae8e9c..756bb548e81a 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -113,8 +113,10 @@ static struct stmmac_axi *stmmac_axi_setup(struct platform_device *pdev)
return NULL;
axi = kzalloc(sizeof(*axi), GFP_KERNEL);
- if (!axi)
+ if (!axi) {
+ of_node_put(np);
return ERR_PTR(-ENOMEM);
+ }
axi->axi_lpi_en = of_property_read_bool(np, "snps,lpi_en");
axi->axi_xit_frm = of_property_read_bool(np, "snps,xit_frm");
@@ -127,6 +129,7 @@ static struct stmmac_axi *stmmac_axi_setup(struct platform_device *pdev)
of_property_read_u32(np, "snps,wr_osr_lmt", &axi->axi_wr_osr_lmt);
of_property_read_u32(np, "snps,rd_osr_lmt", &axi->axi_rd_osr_lmt);
of_property_read_u32_array(np, "snps,blen", axi->axi_blen, AXI_BLEN);
+ of_node_put(np);
return axi;
}
@@ -302,7 +305,7 @@ stmmac_probe_config_dt(struct platform_device *pdev, const char **mac)
dma_cfg = devm_kzalloc(&pdev->dev, sizeof(*dma_cfg),
GFP_KERNEL);
if (!dma_cfg) {
- of_node_put(np);
+ of_node_put(plat->phy_node);
return ERR_PTR(-ENOMEM);
}
plat->dma_cfg = dma_cfg;