[PATCH 1/4] Drivers: hv: utils: fix memory leak on on_msg() failure

[Dan Carpenter]

On Thu, Nov 12, 2015 at 12:32:13PM +0100, Vitaly Kuznetsov wrote:
> @@ -85,10 +86,10 @@ static ssize_t hvt_op_write(struct file *file, const char __user *buf,
>  		return PTR_ERR(inmsg);
>  
>  	if (hvt->on_msg(inmsg, count))
> -		return -EFAULT;
> +		ret = -EFAULT;

You fix this leak and then re-introduce it again directly in patch 3/4.
Also it might be nice to preserve the error code.

	ret = hvt->on_msg(inmsg, count);

	kfree(inmsg);

	return ret ? ret : count;

regards,
dan carpenter