| Message ID | 20220120104654.3467-1-linmq006@gmail.com (mailing list archive) |
|---|---|
| State | Handled Elsewhere, archived |
| Headers | show |
| Series | power: gemini-poweroff: Fix IRQ check in gemini_poweroff_probe | expand |
On Thu, Jan 20, 2022 at 11:47 AM Miaoqian Lin <linmq006@gmail.com> wrote: > platform_get_irq() returns negative error number instead 0 on failure. > And the doc of platform_get_irq() provides a usage example: > > int irq = platform_get_irq(pdev, 0); > if (irq < 0) > return irq; > > Fix the check of return value to catch errors correctly. > > Fixes: f7a388d6cd1c ("power: reset: Add a driver for the Gemini poweroff") > Signed-off-by: Miaoqian Lin <linmq006@gmail.com> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Yours, Linus Walleij
diff --git a/drivers/power/reset/gemini-poweroff.c b/drivers/power/reset/gemini-poweroff.c index 90e35c07240a..b7f7a8225f22 100644 --- a/drivers/power/reset/gemini-poweroff.c +++ b/drivers/power/reset/gemini-poweroff.c @@ -107,8 +107,8 @@ static int gemini_poweroff_probe(struct platform_device *pdev) return PTR_ERR(gpw->base); irq = platform_get_irq(pdev, 0); - if (!irq) - return -EINVAL; + if (irq < 0) + return irq; gpw->dev = dev;
platform_get_irq() returns negative error number instead 0 on failure. And the doc of platform_get_irq() provides a usage example: int irq = platform_get_irq(pdev, 0); if (irq < 0) return irq; Fix the check of return value to catch errors correctly. Fixes: f7a388d6cd1c ("power: reset: Add a driver for the Gemini poweroff") Signed-off-by: Miaoqian Lin <linmq006@gmail.com> --- drivers/power/reset/gemini-poweroff.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)