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gpio fixes for v5.17-rc1

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- fix the error checks of platform_get_irq() in gpio-mpc8xxx and gpio-idt3243x
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Merge tag 'gpio-fixes-for-v5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux

Pull gpio fixes from Bartosz Golaszewski:
 "Fix the same error check issue in two drivers. And then the drivers
  are fixed even more because the first patches were incomplete which I
  missed.

  Summary:

   - fix the error checks of platform_get_irq() in gpio-mpc8xxx and
     gpio-idt3243x"

* tag 'gpio-fixes-for-v5.17-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/brgl/linux:
  gpio: mpc8xxx: Fix an ignored error return from platform_get_irq()
  gpio: idt3243x: Fix an ignored error return from platform_get_irq()
  gpio: idt3243x: Fix IRQ check in idt_gpio_probe
  gpio: mpc8xxx: Fix IRQ check in mpc8xxx_probe
This commit is contained in:
Linus Torvalds 2022-01-20 17:38:23 +02:00
commit 2c271fe77d
2 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/gpio/gpio-idt3243x.c
View File

@ -132,7 +132,7 @@ static int idt_gpio_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev; struct device *dev = &pdev->dev;
struct gpio_irq_chip *girq; struct gpio_irq_chip *girq;
struct idt_gpio_ctrl *ctrl; struct idt_gpio_ctrl *ctrl;
unsigned int parent_irq; int parent_irq;
int ngpios; int ngpios;
int ret; int ret;
@ -164,8 +164,8 @@ static int idt_gpio_probe(struct platform_device *pdev)
return PTR_ERR(ctrl->pic); return PTR_ERR(ctrl->pic);
parent_irq = platform_get_irq(pdev, 0); parent_irq = platform_get_irq(pdev, 0);
if (!parent_irq) if (parent_irq < 0)
return -EINVAL; return parent_irq;
girq = &ctrl->gc.irq; girq = &ctrl->gc.irq;
girq->chip = &idt_gpio_irqchip; girq->chip = &idt_gpio_irqchip;

6
drivers/gpio/gpio-mpc8xxx.c
View File

@ -47,7 +47,7 @@ struct mpc8xxx_gpio_chip {
unsigned offset, int value); unsigned offset, int value);
struct irq_domain *irq; struct irq_domain *irq;
unsigned int irqn; int irqn;
}; };
/* /*
@ -388,8 +388,8 @@ static int mpc8xxx_probe(struct platform_device *pdev)
} }
mpc8xxx_gc->irqn = platform_get_irq(pdev, 0); mpc8xxx_gc->irqn = platform_get_irq(pdev, 0);
if (!mpc8xxx_gc->irqn) if (mpc8xxx_gc->irqn < 0)
return 0; return mpc8xxx_gc->irqn;
mpc8xxx_gc->irq = irq_domain_create_linear(fwnode, mpc8xxx_gc->irq = irq_domain_create_linear(fwnode,
MPC8XXX_GPIO_PINS, MPC8XXX_GPIO_PINS,