diff options
Diffstat (limited to 'drivers/gpio/gpio-brcmstb.c')
| -rw-r--r-- | drivers/gpio/gpio-brcmstb.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/gpio/gpio-brcmstb.c b/drivers/gpio/gpio-brcmstb.c index 113dc07fbfbe..9ea86d2ac054 100644 --- a/drivers/gpio/gpio-brcmstb.c +++ b/drivers/gpio/gpio-brcmstb.c @@ -292,6 +292,15 @@ static int brcmstb_gpio_remove(struct platform_device *pdev) struct brcmstb_gpio_bank *bank; int ret = 0; + if (!priv) { + dev_err(&pdev->dev, "called %s without drvdata!\n", __func__); + return -EFAULT; + } + + /* + * You can lose return values below, but we report all errors, and it's + * more important to actually perform all of the steps. + */ list_for_each(pos, &priv->bank_list) { bank = list_entry(pos, struct brcmstb_gpio_bank, node); ret = bgpio_remove(&bank->bgc); @@ -414,6 +423,8 @@ static int brcmstb_gpio_probe(struct platform_device *pdev) priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; + platform_set_drvdata(pdev, priv); + INIT_LIST_HEAD(&priv->bank_list); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); reg_base = devm_ioremap_resource(dev, res); @@ -434,7 +445,6 @@ static int brcmstb_gpio_probe(struct platform_device *pdev) priv->parent_irq = -ENOENT; } - INIT_LIST_HEAD(&priv->bank_list); if (brcmstb_gpio_sanity_check_banks(dev, np, res)) return -EINVAL; @@ -515,8 +525,6 @@ static int brcmstb_gpio_probe(struct platform_device *pdev) dev_info(dev, "Registered %d banks (GPIO(s): %d-%d)\n", num_banks, priv->gpio_base, gpio_base - 1); - platform_set_drvdata(pdev, priv); - return 0; fail: |