1 // SPDX-License-Identifier: GPL-2.0 1 // SPDX-License-Identifier: GPL-2.0
2 2
3 //! Rust minimal sample. 3 //! Rust minimal sample.
4 4
5 use kernel::prelude::*; 5 use kernel::prelude::*;
6 6
7 module! { 7 module! {
8 type: RustMinimal, 8 type: RustMinimal,
9 name: "rust_minimal", 9 name: "rust_minimal",
10 author: "Rust for Linux Contributors", 10 author: "Rust for Linux Contributors",
11 description: "Rust minimal sample", 11 description: "Rust minimal sample",
12 license: "GPL", 12 license: "GPL",
13 } 13 }
14 14
15 struct RustMinimal { 15 struct RustMinimal {
16 numbers: Vec<i32>, 16 numbers: Vec<i32>,
17 } 17 }
18 18
19 impl kernel::Module for RustMinimal { 19 impl kernel::Module for RustMinimal {
20 fn init(_module: &'static ThisModule) -> R 20 fn init(_module: &'static ThisModule) -> Result<Self> {
21 pr_info!("Rust minimal sample (init)\n 21 pr_info!("Rust minimal sample (init)\n");
22 pr_info!("Am I built-in? {}\n", !cfg!( 22 pr_info!("Am I built-in? {}\n", !cfg!(MODULE));
23 23
24 let mut numbers = Vec::new(); 24 let mut numbers = Vec::new();
25 numbers.push(72, GFP_KERNEL)?; !! 25 numbers.try_push(72)?;
26 numbers.push(108, GFP_KERNEL)?; !! 26 numbers.try_push(108)?;
27 numbers.push(200, GFP_KERNEL)?; !! 27 numbers.try_push(200)?;
28 28
29 Ok(RustMinimal { numbers }) 29 Ok(RustMinimal { numbers })
30 } 30 }
31 } 31 }
32 32
33 impl Drop for RustMinimal { 33 impl Drop for RustMinimal {
34 fn drop(&mut self) { 34 fn drop(&mut self) {
35 pr_info!("My numbers are {:?}\n", self 35 pr_info!("My numbers are {:?}\n", self.numbers);
36 pr_info!("Rust minimal sample (exit)\n 36 pr_info!("Rust minimal sample (exit)\n");
37 } 37 }
38 } 38 }
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