Messages in this thread Patch in this message | | | Subject | [PATCH 1/2] pinctrl: Don't override the error code in probe error handling | From | Axel Lin <> | Date | Sun, 19 May 2013 13:58:37 +0800 |
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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: Linus Walleij <linus.walleij@stericsson.com> Cc: Maxime Ripard <maxime.ripard@free-electrons.com> Cc: Tony Prisk <linux@prisktech.co.nz> --- drivers/pinctrl/pinctrl-coh901.c | 3 ++- drivers/pinctrl/pinctrl-sunxi.c | 3 ++- drivers/pinctrl/vt8500/pinctrl-wmt.c | 3 +-- 3 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/pinctrl/pinctrl-coh901.c b/drivers/pinctrl/pinctrl-coh901.c index 20da215..ea98df9 100644 --- a/drivers/pinctrl/pinctrl-coh901.c +++ b/drivers/pinctrl/pinctrl-coh901.c @@ -830,7 +830,8 @@ static int __init u300_gpio_probe(struct platform_device *pdev) return 0; err_no_range: - err = gpiochip_remove(&gpio->chip); + if (gpiochip_remove(&gpio->chip)) + dev_err(&pdev->dev, "failed to remove gpio chip\n"); err_no_chip: err_no_domain: err_no_port: diff --git a/drivers/pinctrl/pinctrl-sunxi.c b/drivers/pinctrl/pinctrl-sunxi.c index c52fc2c..c058529 100644 --- a/drivers/pinctrl/pinctrl-sunxi.c +++ b/drivers/pinctrl/pinctrl-sunxi.c @@ -2000,7 +2000,8 @@ static int sunxi_pinctrl_probe(struct platform_device *pdev) return 0; gpiochip_error: - ret = gpiochip_remove(pctl->chip); + if (gpiochip_remove(pctl->chip)) + dev_err(&pdev->dev, "failed to remove gpio chip\n"); pinctrl_error: pinctrl_unregister(pctl->pctl_dev); return ret; diff --git a/drivers/pinctrl/vt8500/pinctrl-wmt.c b/drivers/pinctrl/vt8500/pinctrl-wmt.c index e877082..fb30edf3 100644 --- a/drivers/pinctrl/vt8500/pinctrl-wmt.c +++ b/drivers/pinctrl/vt8500/pinctrl-wmt.c @@ -609,8 +609,7 @@ int wmt_pinctrl_probe(struct platform_device *pdev, return 0; fail_range: - err = gpiochip_remove(&data->gpio_chip); - if (err) + if (gpiochip_remove(&data->gpio_chip)) dev_err(&pdev->dev, "failed to remove gpio chip\n"); fail_gpio: pinctrl_unregister(data->pctl_dev); -- 1.8.1.2
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