diff options
| author | Peter Chen | 2016-08-01 15:02:41 +0800 |
|---|---|---|
| committer | David S. Miller | 2016-08-01 21:43:49 -0700 |
| commit | f7113b3af1ab5218882a79ac1bbeeaad4f46fbc3 (patch) | |
| tree | a95ecf65f2da8e8a3287f2818bc58798860666a0 /drivers | |
| parent | 8da703dc8d92be72e3c1e3f26dd540fdaff69f4c (diff) | |
ethernet: stmicro: stmmac: dwmac-socfpga: 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.
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c | 36 |
1 files changed, 26 insertions, 10 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c index edd20c3b2b3d..bec6963ac71e 100644 --- a/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c +++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-socfpga.c @@ -135,7 +135,9 @@ static int socfpga_dwmac_parse_data(struct socfpga_dwmac *dwmac, struct device * np_splitter = of_parse_phandle(np, "altr,emac-splitter", 0); if (np_splitter) { - if (of_address_to_resource(np_splitter, 0, &res_splitter)) { + ret = of_address_to_resource(np_splitter, 0, &res_splitter); + of_node_put(np_splitter); + if (ret) { dev_info(dev, "Missing emac splitter address\n"); return -EINVAL; } @@ -159,14 +161,17 @@ static int socfpga_dwmac_parse_data(struct socfpga_dwmac *dwmac, struct device * dev_err(dev, "%s: ERROR: missing emac splitter address\n", __func__); - return -EINVAL; + ret = -EINVAL; + goto err_node_put; } dwmac->splitter_base = devm_ioremap_resource(dev, &res_splitter); - if (IS_ERR(dwmac->splitter_base)) - return PTR_ERR(dwmac->splitter_base); + if (IS_ERR(dwmac->splitter_base)) { + ret = PTR_ERR(dwmac->splitter_base); + goto err_node_put; + } } index = of_property_match_string(np_sgmii_adapter, "reg-names", @@ -178,14 +183,17 @@ static int socfpga_dwmac_parse_data(struct socfpga_dwmac *dwmac, struct device * dev_err(dev, "%s: ERROR: failed mapping adapter\n", __func__); - return -EINVAL; + ret = -EINVAL; + goto err_node_put; } dwmac->pcs.sgmii_adapter_base = devm_ioremap_resource(dev, &res_sgmii_adapter); - if (IS_ERR(dwmac->pcs.sgmii_adapter_base)) - return PTR_ERR(dwmac->pcs.sgmii_adapter_base); + if (IS_ERR(dwmac->pcs.sgmii_adapter_base)) { + ret = PTR_ERR(dwmac->pcs.sgmii_adapter_base); + goto err_node_put; + } } index = of_property_match_string(np_sgmii_adapter, "reg-names", @@ -197,22 +205,30 @@ static int socfpga_dwmac_parse_data(struct socfpga_dwmac *dwmac, struct device * dev_err(dev, "%s: ERROR: failed mapping tse control port\n", __func__); - return -EINVAL; + ret = -EINVAL; + goto err_node_put; } dwmac->pcs.tse_pcs_base = devm_ioremap_resource(dev, &res_tse_pcs); - if (IS_ERR(dwmac->pcs.tse_pcs_base)) - return PTR_ERR(dwmac->pcs.tse_pcs_base); + if (IS_ERR(dwmac->pcs.tse_pcs_base)) { + ret = PTR_ERR(dwmac->pcs.tse_pcs_base); + goto err_node_put; + } } } dwmac->reg_offset = reg_offset; dwmac->reg_shift = reg_shift; dwmac->sys_mgr_base_addr = sys_mgr_base_addr; dwmac->dev = dev; + of_node_put(np_sgmii_adapter); return 0; + +err_node_put: + of_node_put(np_sgmii_adapter); + return ret; } static int socfpga_dwmac_set_phy_mode(struct socfpga_dwmac *dwmac) |