[PATCH 2/2] EDAC/ti: Fix handling of platform_get_irq() error

Tero Kristo t-kristo at ti.com
Thu Aug 27 17:13:16 AEST 2020


On 27/08/2020 10:07, Krzysztof Kozlowski wrote:
> platform_get_irq() returns -ERRNO on error.  In such case comparison
> to 0 would pass the check.
> 
> Fixes: 86a18ee21e5e ("EDAC, ti: Add support for TI keystone and DRA7xx EDAC")
> Signed-off-by: Krzysztof Kozlowski <krzk at kernel.org>

Reviewed-by: Tero Kristo <t-kristo at ti.com>

> ---
>   drivers/edac/ti_edac.c | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/edac/ti_edac.c b/drivers/edac/ti_edac.c
> index 6e52796a0b41..e7eae20f83d1 100644
> --- a/drivers/edac/ti_edac.c
> +++ b/drivers/edac/ti_edac.c
> @@ -278,7 +278,8 @@ static int ti_edac_probe(struct platform_device *pdev)
>   
>   	/* add EMIF ECC error handler */
>   	error_irq = platform_get_irq(pdev, 0);
> -	if (!error_irq) {
> +	if (error_irq < 0) {
> +		ret = error_irq;
>   		edac_printk(KERN_ERR, EDAC_MOD_NAME,
>   			    "EMIF irq number not defined.\n");
>   		goto err;
> 

--
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