mwifiex: improve AMSDU packet aggregation for PCIe and SDIO

[firefly-linux-kernel-4.4.55.git] / drivers / mfd / max8998.c

diff --git a/drivers/mfd/max8998.c b/drivers/mfd/max8998.c
index 5d5e186b5d8bbbfed035725480fb85dc52a0fdb4..592db06098e69eabeb08c506cb3409c6d2ff2ca9 100644 (file)
--- a/drivers/mfd/max8998.c
+++ b/drivers/mfd/max8998.c
@@ -215,6 +215,10 @@ static int max8998_i2c_probe(struct i2c_client *i2c,
        mutex_init(&max8998->iolock);
 
        max8998->rtc = i2c_new_dummy(i2c->adapter, RTC_I2C_ADDR);
+       if (!max8998->rtc) {
+               dev_err(&i2c->dev, "Failed to allocate I2C device for RTC\n");
+               return -ENODEV;
+       }
        i2c_set_clientdata(max8998->rtc, max8998);
 
        max8998_irq_init(max8998);