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| author |   Wei Yongjun <yongjun_wei@trendmicro.com.cn> | 2013-10-21 10:55:29 +0800 |
|---|---|---|
| committer |   Linus Walleij <linus.walleij@linaro.org> | 2013-10-23 10:41:22 +0200 |
| commit | 86467ff2ddca94c0d8d10b92b5916e68c0cad8a9 (patch) | |
| tree | 7a54fc2c24f30699fb4b691025bc7defd6a52870 /drivers/pinctrl/pinctrl-tb10x.c | |
| parent | pinctrl: add documentation for pinctrl_get_group_pins() (diff) | |
| download | linux-dev-86467ff2ddca94c0d8d10b92b5916e68c0cad8a9.tar.xz linux-dev-86467ff2ddca94c0d8d10b92b5916e68c0cad8a9.zip | |
pinctrl: tb10x: fix the error handling in tb10x_pinctrl_probe()
This patch fix the error handling in tb10x_pinctrl_probe():
- devm_ioremap_resource() return ERR_PTR() and never return NULL
- remove the dev_err call to avoid redundant error message
- pinctrl_register() returns NULL not ERR_PTR()
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl/pinctrl-tb10x.c')
| -rw-r--r-- | drivers/pinctrl/pinctrl-tb10x.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/pinctrl/pinctrl-tb10x.c b/drivers/pinctrl/pinctrl-tb10x.c index 2e1ea568c9a2..9f7fa9b6ea80 100644 --- a/drivers/pinctrl/pinctrl-tb10x.c +++ b/drivers/pinctrl/pinctrl-tb10x.c @@ -806,9 +806,8 @@ static int tb10x_pinctrl_probe(struct platform_device *pdev) mutex_init(&state->mutex); state->base = devm_ioremap_resource(dev, mem); - if (!state->base) { - dev_err(dev, "Request register region failed.\n"); - ret = -EBUSY; + if (IS_ERR(state->base)) { + ret = PTR_ERR(state->base); goto fail; } @@ -830,9 +829,9 @@ static int tb10x_pinctrl_probe(struct platform_device *pdev) } state->pctl = pinctrl_register(&tb10x_pindesc, dev, state); - if (IS_ERR(state->pctl)) { + if (!state->pctl) { dev_err(dev, "could not register TB10x pin driver\n"); - ret = PTR_ERR(state->pctl); + ret = -EINVAL; goto fail; } |