Re: [PATCH linux-next] USB: Delete the useless assignment to "nbytes"

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

On Thu, Nov 11, 2021 at 03:11:24PM +0000, cgel.zte@gmail.com wrote:
> From: luo penghao <luo.penghao@zte.com.cn>
> 
> The assignment of the local variable "nbytes" in the if statement
> will not be used
> 
> Reported-by: Zeal Robot <zealci@zte.com.cn>
> Signed-off-by: luo penghao <luo.penghao@zte.com.cn>
> ---
>  drivers/usb/mon/mon_bin.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/drivers/usb/mon/mon_bin.c b/drivers/usb/mon/mon_bin.c
> index f48a23a..b8ba0f7 100644
> --- a/drivers/usb/mon/mon_bin.c
> +++ b/drivers/usb/mon/mon_bin.c
> @@ -845,7 +845,6 @@ static ssize_t mon_bin_read(struct file *file, char __user *buf,
>  			mutex_unlock(&rp->fetch_lock);
>  			return -EFAULT;
>  		}
> -		nbytes -= step_len;
>  		buf += step_len;
>  		rp->b_read += step_len;
>  		done += step_len;
> -- 
> 2.15.2
> 
> 

This patch is not correct (it's either wrong, or incomplete).  Please
fix your "robot" to not send changes that you have not properly
verified.

thanks,

greg k-h