Re: [PATCH] staging: mfd: hi6421-spmi-pmic: Fix error return in hi6421_spmi_pmic_probe()

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On Tue, Sep 29, 2020 at 03:48:47PM +0800, Jing Xiangfeng wrote:
> Fix to return error code -ENOMEM from the error handling case instead
> of 0.
> 
> Signed-off-by: Jing Xiangfeng <jingxiangfeng@xxxxxxxxxx>
> ---
>  drivers/staging/hikey9xx/hi6421-spmi-pmic.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/hikey9xx/hi6421-spmi-pmic.c b/drivers/staging/hikey9xx/hi6421-spmi-pmic.c
> index 64b30d263c8d..4f34a5282970 100644
> --- a/drivers/staging/hikey9xx/hi6421-spmi-pmic.c
> +++ b/drivers/staging/hikey9xx/hi6421-spmi-pmic.c
> @@ -262,8 +262,10 @@ static int hi6421_spmi_pmic_probe(struct spmi_device *pdev)
>  	hi6421_spmi_pmic_irq_prc(pmic);
>  
>  	pmic->irqs = devm_kzalloc(dev, HISI_IRQ_NUM * sizeof(int), GFP_KERNEL);
> -	if (!pmic->irqs)
> +	if (!pmic->irqs) {
> +		ret = -ENOMEM;
>  		goto irq_malloc;

It shouldn't do a goto, it should just return directly.  The goto
releases an IRQ which isn't acquired until later in the function.

regards,
dan carpenter

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