X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=drivers%2Fgpio%2Fgpio-max732x.c;h=8c5252c6c327764cb6fc4ae99f321e2cdf830537;hb=a5e1d715a8d0696961d99d31d869aa522f1cad5a;hp=7d3c90e9da71a313fcbac511097f159c80b15132;hpb=76ec51ef5edfe540bbc3c61b860f88deb8e6a37b;p=firefly-linux-kernel-4.4.55.git

diff --git a/drivers/gpio/gpio-max732x.c b/drivers/gpio/gpio-max732x.c
index 7d3c90e9da71..8c5252c6c327 100644
--- a/drivers/gpio/gpio-max732x.c
+++ b/drivers/gpio/gpio-max732x.c
@@ -685,9 +685,14 @@ static int max732x_probe(struct i2c_client *client,
 
 	mutex_init(&chip->lock);
 
-	max732x_readb(chip, is_group_a(chip, 0), &chip->reg_out[0]);
-	if (nr_port > 8)
-		max732x_readb(chip, is_group_a(chip, 8), &chip->reg_out[1]);
+	ret = max732x_readb(chip, is_group_a(chip, 0), &chip->reg_out[0]);
+	if (ret)
+		goto out_failed;
+	if (nr_port > 8) {
+		ret = max732x_readb(chip, is_group_a(chip, 8), &chip->reg_out[1]);
+		if (ret)
+			goto out_failed;
+	}
 
 	ret = gpiochip_add(&chip->gpio_chip);
 	if (ret)