gpio: Don't override the error code in probe error handling

Otherwise, we return 0 in probe error paths when gpiochip_remove() returns 0.
Also show error message if gpiochip_remove() fails.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Cc: Tomoya MORINAGA <tomoya.rohm@gmail.com>
Cc: Denis Turischev <denis@compulab.co.il>
Cc: Lars Poeschel <poeschel@lemonage.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/gpio/gpio-sch.c b/drivers/gpio/gpio-sch.c
index 1e4de16..5af6571 100644
--- a/drivers/gpio/gpio-sch.c
+++ b/drivers/gpio/gpio-sch.c
@@ -272,10 +272,8 @@
 	return 0;
 
 err_sch_gpio_resume:
-	err = gpiochip_remove(&sch_gpio_core);
-	if (err)
-		dev_err(&pdev->dev, "%s failed, %d\n",
-				"gpiochip_remove()", err);
+	if (gpiochip_remove(&sch_gpio_core))
+		dev_err(&pdev->dev, "%s gpiochip_remove failed\n", __func__);
 
 err_sch_gpio_core:
 	release_region(res->start, resource_size(res));