linux-kernel - RE: [PATCH -next] usb: gadget: aspeed_udc: fix missing spin_unlock_irqrestore in ast_udc_ep

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Date:   Fri, 17 Jun 2022 02:20:44 +0000
From:   Neal Liu <neal_liu@...eedtech.com>
To:     Zheng Bin <zhengbin13@...wei.com>,
        "balbi@...nel.org" <balbi@...nel.org>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "joel@....id.au" <joel@....id.au>,
        "andrew@...id.au" <andrew@...id.au>,
        "linux-aspeed@...ts.ozlabs.org" <linux-aspeed@...ts.ozlabs.org>,
        "linux-usb@...r.kernel.org" <linux-usb@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     "gaochao49@...wei.com" <gaochao49@...wei.com>
Subject: RE: [PATCH -next] usb: gadget: aspeed_udc: fix missing
 spin_unlock_irqrestore in ast_udc_ep_queue

> ast_udc_ep_queue misses spin_unlock_irqrestore in an error path, this patch
> fixes that.
> 
> Fixes: 055276c13205 ("usb: gadget: add Aspeed ast2600 udc driver")
> Signed-off-by: Zheng Bin <zhengbin13@...wei.com>
> ---
>  drivers/usb/gadget/udc/aspeed_udc.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/gadget/udc/aspeed_udc.c
> b/drivers/usb/gadget/udc/aspeed_udc.c
> index 1fc15228ff15..6c91f7f288a2 100644
> --- a/drivers/usb/gadget/udc/aspeed_udc.c
> +++ b/drivers/usb/gadget/udc/aspeed_udc.c
> @@ -665,7 +665,8 @@ static int ast_udc_ep_queue(struct usb_ep *_ep, struct
> usb_request *_req,
>  	if (ep->ep.desc == NULL) {
>  		if ((req->req.dma % 4) != 0) {
>  			dev_warn(dev, "EP0 req dma alignment error\n");
> -			return -ESHUTDOWN;
> +			rc = -ESHUTDOWN;
> +			goto end;
>  		}
> 
>  		ast_udc_ep0_queue(ep, req);
> --
> 2.31.1

Thanks for the fix.

Reviewed-by: Neal Liu <neal_liu@...eedtech.com>