Re: [PATCH 1/2] staging: greybus: add a single exit path to arche_platform_wd_irq()

From: Ira Weiny
Date: Sun Apr 02 2023 - 20:38:07 EST


Khadija Kamran wrote:
> arche_platform_wd_irq() function has two exit paths. To make the code
> more readable, use only one exit path.
>
> Suggested-by: Alison Schofield <alison.schofield@xxxxxxxxx>

Reviewed-by: Ira Weiny <ira.weiny@xxxxxxxxx>

> Signed-off-by: Khadija Kamran <kamrankhadijadj@xxxxxxxxx>
> ---
> drivers/staging/greybus/arche-platform.c | 7 +++----
> 1 file changed, 3 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/staging/greybus/arche-platform.c b/drivers/staging/greybus/arche-platform.c
> index fcbd5f71eff2..a64c1af091b0 100644
> --- a/drivers/staging/greybus/arche-platform.c
> +++ b/drivers/staging/greybus/arche-platform.c
> @@ -153,6 +153,7 @@ static irqreturn_t arche_platform_wd_irq_thread(int irq, void *devid)
> static irqreturn_t arche_platform_wd_irq(int irq, void *devid)
> {
> struct arche_platform_drvdata *arche_pdata = devid;
> + irqreturn_t rc = IRQ_HANDLED;
> unsigned long flags;
>
> spin_lock_irqsave(&arche_pdata->wake_lock, flags);
> @@ -180,9 +181,7 @@ static irqreturn_t arche_platform_wd_irq(int irq, void *devid)
> WD_STATE_COLDBOOT_START) {
> arche_platform_set_wake_detect_state(arche_pdata,
> WD_STATE_COLDBOOT_TRIG);
> - spin_unlock_irqrestore(&arche_pdata->wake_lock,
> - flags);
> - return IRQ_WAKE_THREAD;
> + rc = IRQ_WAKE_THREAD;
> }
> }
> }
> @@ -204,7 +203,7 @@ static irqreturn_t arche_platform_wd_irq(int irq, void *devid)
>
> spin_unlock_irqrestore(&arche_pdata->wake_lock, flags);
>
> - return IRQ_HANDLED;
> + return rc;
> }
>
> /*
> --
> 2.34.1
>
>