max17042_battery: Handle irq request failure case

suspend/resume functions take action based upon the fuel gauge
interrupt. If the rquest irq fails we should assign 0 to client->irq.

Signed-off-by: Ramakrishna Pallala <ramakrishna.pallala@intel.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/power/max17042_battery.c b/drivers/power/max17042_battery.c
index b4c8af016278..8d28006322e9 100644
--- a/drivers/power/max17042_battery.c
+++ b/drivers/power/max17042_battery.c
@@ -706,9 +706,11 @@ static int __devinit max17042_probe(struct i2c_client *client,
                         reg |= CONFIG_ALRT_BIT_ENBL;
                         max17042_write_reg(client, MAX17042_CONFIG, reg);
                         max17042_set_soc_threshold(chip, 1);
-                } else
+                } else {
+                        client->irq = 0;
                         dev_err(&client->dev, "%s(): cannot get IRQ\n",
                                 __func__);
+                }
         }
 
         reg = max17042_read_reg(chip->client, MAX17042_STATUS);