Re: [PATCH] usb: musb: jz4740: fix error check of usb_get_phy()

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Hi Felipe,

On 09.03.2016 02:57, Vladimir Zapolskiy wrote:
> The usb_get_phy() function returns either a valid pointer to phy or
> ERR_PTR() error, check for NULL always fails and may lead to oops on
> error path, fix this issue.
> 
> Signed-off-by: Vladimir Zapolskiy <vz@xxxxxxxxx>
> ---
>  drivers/usb/musb/jz4740.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/usb/musb/jz4740.c b/drivers/usb/musb/jz4740.c
> index 5e5a8fa..bc88899 100644
> --- a/drivers/usb/musb/jz4740.c
> +++ b/drivers/usb/musb/jz4740.c
> @@ -83,9 +83,9 @@ static int jz4740_musb_init(struct musb *musb)
>  {
>  	usb_phy_generic_register();
>  	musb->xceiv = usb_get_phy(USB_PHY_TYPE_USB2);
> -	if (!musb->xceiv) {
> +	if (IS_ERR(musb->xceiv)) {
>  		pr_err("HS UDC: no transceiver configured\n");
> -		return -ENODEV;
> +		return PTR_ERR(musb->xceiv);
>  	}
>  
>  	/* Silicon does not implement ConfigData register.
> 

FYI I got this message :

<balbi@xxxxxx>: host cluster5.us.messagelabs.com[216.82.242.147] said: 550
    Invalid recipient <balbi@xxxxxx> (#5.1.1) (in reply to RCPT TO command)

You may consider to update your email address in MAINTAINERS.

--
With best wishes,
Vladimir
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