[PATCH 1/3] driver: input: 88pm860x-ts: fix missing of_node_put

[Libo Chen]

decrease np device_node refcount after task completion

Signed-off-by: Libo Chen <libo.c...@huawei.com>
---
 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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