Re: [PATCH] usb: misc: usbtest: remove redundant check on retval < 0

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Sun, Feb 12, 2017 at 06:35:18PM +0000, Colin King wrote:
> From: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> 
> The check for retval being less than zero is always true since
> retval equal to -EPIPE at that point.  Replace the existing
> conditional with just return retval.
> 
> Detected with CoverityScan, CID#114349 ("Logically dead code")
> 
> Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
> ---
>  drivers/usb/misc/usbtest.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c
> index 3525626..17c0810 100644
> --- a/drivers/usb/misc/usbtest.c
> +++ b/drivers/usb/misc/usbtest.c
> @@ -992,7 +992,7 @@ static int ch9_postconfig(struct usbtest_dev *dev)
>  				dev_err(&iface->dev,
>  						"hs dev qualifier --> %d\n",
>  						retval);
> -				return (retval < 0) ? retval : -EDOM;
> +				return retval;
>  			}
>  			/* usb2.0 but not high-speed capable; fine */
>  		} else if (retval != sizeof(struct usb_qualifier_descriptor)) {

Reviewed-by: Peter Chen <peter.chen@xxxxxxx>

-- 

Best Regards,
Peter Chen
--
To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Index of Archives]     [Kernel Development]     [Kernel Announce]     [Kernel Newbies]     [Linux Networking Development]     [Share Photos]     [IDE]     [Security]     [Git]     [Netfilter]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Device Mapper]

  Powered by Linux