decrease np device_node refcount after task completion
Signed-off-by: Libo Chen <libo.chen@xxxxxxxxxx>
---
drivers/input/touchscreen/88pm860x-ts.c | 22 +++++++++++++++-------
1 files changed, 15 insertions(+), 7 deletions(-)
diff --git a/drivers/input/touchscreen/88pm860x-ts.c b/drivers/input/touchscreen/88pm860x-ts.c
index f7de14a..4a2fd46 100644
--- a/drivers/input/touchscreen/88pm860x-ts.c
+++ b/drivers/input/touchscreen/88pm860x-ts.c
@@ -142,14 +142,18 @@ static int pm860x_touch_dt_init(struct platform_device *pdev,
data |= (n << 7) & PM8607_GPADC_SW_CAL_MASK;
if (data) {
ret = pm860x_reg_write(i2c, PM8607_GPADC_MISC1, data);
- if (ret < 0)
- return -EINVAL;
+ if (ret < 0) {
+ ret = -EINVAL;
+ goto err;
+ }
}
/* set tsi prebias time */
if (!of_property_read_u32(np, "marvell,88pm860x-tsi-prebias", &data)) {
ret = pm860x_reg_write(i2c, PM8607_TSI_PREBIAS, data);
- if (ret < 0)
- return -EINVAL;
+ if (ret < 0) {
+ ret = -EINVAL;
+ goto err;
+ }
}
/* set prebias & prechg time of pen detect */
data = 0;
@@ -159,11 +163,15 @@ static int pm860x_touch_dt_init(struct platform_device *pdev,
data |= n & PM8607_PD_PRECHG_MASK;
if (data) {
ret = pm860x_reg_write(i2c, PM8607_PD_PREBIAS, data);
- if (ret < 0)
- return -EINVAL;
+ if (ret < 0) {
+ ret = -EINVAL;
+ goto err;
+ }
}
of_property_read_u32(np, "marvell,88pm860x-resistor-X", res_x);
- return 0;
+err:
+ of_node_put(np);
+ return ret;
}
#else
#define pm860x_touch_dt_init(x, y, z) (-1)
--
1.7.1
--
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