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authorAxel Lin <axel.lin@ingics.com>2013-05-19 10:00:47 +0400
committerLinus Walleij <linus.walleij@linaro.org>2013-05-20 22:27:30 +0400
commitcfb10898efe1bc1f3eb8d8f37f164d9e2ac8b43a (patch)
tree4633a990efc5bcd9090bb594acc4a9923a0194cc
parent90dae4ebf03063a70d992aad00d5f5a607c31db8 (diff)
downloadlinux-cfb10898efe1bc1f3eb8d8f37f164d9e2ac8b43a.tar.xz
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>
-rw-r--r--drivers/gpio/gpio-ml-ioh.c3
-rw-r--r--drivers/gpio/gpio-pch.c3
-rw-r--r--drivers/gpio/gpio-sch.c6
-rw-r--r--drivers/gpio/gpio-viperboard.c3
4 files changed, 6 insertions, 9 deletions
diff --git a/drivers/gpio/gpio-ml-ioh.c b/drivers/gpio/gpio-ml-ioh.c
index b73366523fae..0966f2637ad2 100644
--- a/drivers/gpio/gpio-ml-ioh.c
+++ b/drivers/gpio/gpio-ml-ioh.c
@@ -496,8 +496,7 @@ err_irq_alloc_descs:
err_gpiochip_add:
while (--i >= 0) {
chip--;
- ret = gpiochip_remove(&chip->gpio);
- if (ret)
+ if (gpiochip_remove(&chip->gpio))
dev_err(&pdev->dev, "Failed gpiochip_remove(%d)\n", i);
}
kfree(chip_save);
diff --git a/drivers/gpio/gpio-pch.c b/drivers/gpio/gpio-pch.c
index cdf599687cf7..0fec097e838d 100644
--- a/drivers/gpio/gpio-pch.c
+++ b/drivers/gpio/gpio-pch.c
@@ -424,8 +424,7 @@ end:
err_request_irq:
irq_free_descs(irq_base, gpio_pins[chip->ioh]);
- ret = gpiochip_remove(&chip->gpio);
- if (ret)
+ if (gpiochip_remove(&chip->gpio))
dev_err(&pdev->dev, "%s gpiochip_remove failed\n", __func__);
err_gpiochip_add:
diff --git a/drivers/gpio/gpio-sch.c b/drivers/gpio/gpio-sch.c
index 1e4de16ceb41..5af65719b95d 100644
--- a/drivers/gpio/gpio-sch.c
+++ b/drivers/gpio/gpio-sch.c
@@ -272,10 +272,8 @@ static int sch_gpio_probe(struct platform_device *pdev)
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));
diff --git a/drivers/gpio/gpio-viperboard.c b/drivers/gpio/gpio-viperboard.c
index 095ab14cea4d..5ac2919197fe 100644
--- a/drivers/gpio/gpio-viperboard.c
+++ b/drivers/gpio/gpio-viperboard.c
@@ -446,7 +446,8 @@ static int vprbrd_gpio_probe(struct platform_device *pdev)
return ret;
err_gpiob:
- ret = gpiochip_remove(&vb_gpio->gpioa);
+ if (gpiochip_remove(&vb_gpio->gpioa))
+ dev_err(&pdev->dev, "%s gpiochip_remove failed\n", __func__);
err_gpioa:
return ret;