Re: [PATCH -next] USB: ohci-sm501: fix error return code in ohci_hcd_sm501_drv_probe()

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On Wed, 6 May 2020, Wei Yongjun wrote:

> Fix to return a negative error code from the error handling
> case instead of 0, as done elsewhere in this function.
> 
> Fixes: 7d9e6f5aebe8 ("usb: host: ohci-sm501: init genalloc for local memory")
> Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
> ---
>  drivers/usb/host/ohci-sm501.c | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)
> 
> diff --git a/drivers/usb/host/ohci-sm501.c b/drivers/usb/host/ohci-sm501.c
> index c158cda9e4b9..cff965240327 100644
> --- a/drivers/usb/host/ohci-sm501.c
> +++ b/drivers/usb/host/ohci-sm501.c
> @@ -157,9 +157,10 @@ static int ohci_hcd_sm501_drv_probe(struct platform_device *pdev)
>  	 * the call to usb_hcd_setup_local_mem() below does just that.
>  	 */
>  
> -	if (usb_hcd_setup_local_mem(hcd, mem->start,
> -				    mem->start - mem->parent->start,
> -				    resource_size(mem)) < 0)
> +	retval = usb_hcd_setup_local_mem(hcd, mem->start,
> +					 mem->start - mem->parent->start,
> +					 resource_size(mem));
> +	if (retval < 0)
>  		goto err5;
>  	retval = usb_add_hcd(hcd, irq, IRQF_SHARED);
>  	if (retval)

Acked-by: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>

Thanks for noticing and fixing this.

Alan Stern




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