[PATCH] mfd: (max8997) Handle the potential error for mfd_add_devices

From: Laszlo Papp
Date: Mon Dec 16 2013 - 07:06:36 EST


Signed-off-by: Laszlo Papp <lpapp@xxxxxxx>
---
drivers/mfd/max8997.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/mfd/max8997.c b/drivers/mfd/max8997.c
index 791aea3..ace1a2b 100644
--- a/drivers/mfd/max8997.c
+++ b/drivers/mfd/max8997.c
@@ -227,19 +227,19 @@ static int max8997_i2c_probe(struct i2c_client *i2c,
pm_runtime_set_active(max8997->dev);

max8997_irq_init(max8997);
-
- mfd_add_devices(max8997->dev, -1, max8997_devs,
+ ret = mfd_add_devices(max8997->dev, -1, max8997_devs,
ARRAY_SIZE(max8997_devs),
NULL, 0, NULL);
+ if (ret < 0) {
+ dev_err(max8997->dev, "cannot add mfd cells\n");
+ goto err_mfd;
+ }

/*
* TODO: enable others (flash, muic, rtc, battery, ...) and
* check the return value
*/

- if (ret < 0)
- goto err_mfd;
-
/* MAX8997 has a power button input. */
device_init_wakeup(max8997->dev, pdata->wakeup);

--
1.8.5.1

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