nvme: remove an unnecessary condition

"v" is an unsigned int so it can't be more than UINT_MAX.  Removing this
check makes it easier to preserve the error code as well.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>

drivers/nvme/host/core.c

@@ -3586,8 +3586,8 @@ static ssize_t nvme_ctrl_reconnect_delay_store(struct device *dev,
 	int err;
 
 	err = kstrtou32(buf, 10, &v);
-	if (err || v > UINT_MAX)
-		return -EINVAL;
+	if (err)
+		return err;
 
 	ctrl->opts->reconnect_delay = v;
 	return count;