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authorMilo Kim <milo.kim@ti.com>2015-08-25 01:54:12 -0400
committerMark Brown <broonie@kernel.org>2015-08-25 14:36:24 -0400
commit804486b19de92449203f95027c2b207d8c5d5c79 (patch)
treed1119a87d91e9a01dfb225ea677d01b976fd218e /drivers/regulator/lp872x.c
parentd9ffae15f7b1933c71dfb7c5e8ef61296d2833d7 (diff)
regulator: lp872x: handle error case
If memory allocation gets failed on parsing the DT, then it returns error '-ENOMEM' explicitly. Then, the driver exists from the _probe(). Signed-off-by: Milo Kim <milo.kim@ti.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/regulator/lp872x.c')
-rw-r--r--drivers/regulator/lp872x.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/regulator/lp872x.c b/drivers/regulator/lp872x.c
index 9142c1adc70c..8702e7384af7 100644
--- a/drivers/regulator/lp872x.c
+++ b/drivers/regulator/lp872x.c
@@ -849,7 +849,7 @@ static struct lp872x_platform_data
849 849
850 pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL); 850 pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
851 if (!pdata) 851 if (!pdata)
852 goto out; 852 return ERR_PTR(-ENOMEM);
853 853
854 of_property_read_u8(np, "ti,general-config", &pdata->general_config); 854 of_property_read_u8(np, "ti,general-config", &pdata->general_config);
855 if (of_find_property(np, "ti,update-config", NULL)) 855 if (of_find_property(np, "ti,update-config", NULL))
@@ -857,7 +857,7 @@ static struct lp872x_platform_data
857 857
858 pdata->dvs = devm_kzalloc(dev, sizeof(struct lp872x_dvs), GFP_KERNEL); 858 pdata->dvs = devm_kzalloc(dev, sizeof(struct lp872x_dvs), GFP_KERNEL);
859 if (!pdata->dvs) 859 if (!pdata->dvs)
860 goto out; 860 return ERR_PTR(-ENOMEM);
861 861
862 pdata->dvs->gpio = of_get_named_gpio(np, "ti,dvs-gpio", 0); 862 pdata->dvs->gpio = of_get_named_gpio(np, "ti,dvs-gpio", 0);
863 of_property_read_u8(np, "ti,dvs-vsel", (u8 *)&pdata->dvs->vsel); 863 of_property_read_u8(np, "ti,dvs-vsel", (u8 *)&pdata->dvs->vsel);
@@ -910,11 +910,14 @@ static int lp872x_probe(struct i2c_client *cl, const struct i2c_device_id *id)
910 [LP8725] = LP8725_NUM_REGULATORS, 910 [LP8725] = LP8725_NUM_REGULATORS,
911 }; 911 };
912 912
913 if (cl->dev.of_node) 913 if (cl->dev.of_node) {
914 pdata = lp872x_populate_pdata_from_dt(&cl->dev, 914 pdata = lp872x_populate_pdata_from_dt(&cl->dev,
915 (enum lp872x_id)id->driver_data); 915 (enum lp872x_id)id->driver_data);
916 else 916 if (IS_ERR(pdata))
917 return PTR_ERR(pdata);
918 } else {
917 pdata = dev_get_platdata(&cl->dev); 919 pdata = dev_get_platdata(&cl->dev);
920 }
918 921
919 lp = devm_kzalloc(&cl->dev, sizeof(struct lp872x), GFP_KERNEL); 922 lp = devm_kzalloc(&cl->dev, sizeof(struct lp872x), GFP_KERNEL);
920 if (!lp) 923 if (!lp)