Merge pull request #4170 from yutannihilation/chore/fix-unsafe-attribute-rust2024

chore: Wrap `link_section` attribute in example code with `unsafe()` for compatibility with Rust 2024 edition

3 files changed, 4 insertions, 4 deletions

diff --git a/examples/stm32h7/src/bin/adc_dma.rs b/examples/stm32h7/src/bin/adc_dma.rs
index dc775f18a..f06b5d06e 100644
--- a/examples/stm32h7/src/bin/adc_dma.rs
+++ b/examples/stm32h7/src/bin/adc_dma.rs
@@ -8,7 +8,7 @@ use embassy_stm32::Config;
 use embassy_time::Timer;
 use {defmt_rtt as _, panic_probe as _};
 
-#[link_section = ".ram_d3"]
+#[unsafe(link_section = ".ram_d3")]
 static mut DMA_BUF: [u16; 2] = [0; 2];
 
 #[embassy_executor::main]
diff --git a/examples/stm32h7/src/bin/sai.rs b/examples/stm32h7/src/bin/sai.rs
index 79a856b3b..01937593a 100644
--- a/examples/stm32h7/src/bin/sai.rs
+++ b/examples/stm32h7/src/bin/sai.rs
@@ -16,9 +16,9 @@ const DMA_BUFFER_LENGTH: usize = HALF_DMA_BUFFER_LENGTH * 2; //  2 half-blocks
 const SAMPLE_RATE: u32 = 48000;
 
 //DMA buffer must be in special region. Refer https://embassy.dev/book/#_stm32_bdma_only_working_out_of_some_ram_regions
-#[link_section = ".sram1_bss"]
+#[unsafe(link_section = ".sram1_bss")]
 static mut TX_BUFFER: GroundedArrayCell<u32, DMA_BUFFER_LENGTH> = GroundedArrayCell::uninit();
-#[link_section = ".sram1_bss"]
+#[unsafe(link_section = ".sram1_bss")]
 static mut RX_BUFFER: GroundedArrayCell<u32, DMA_BUFFER_LENGTH> = GroundedArrayCell::uninit();
 
 #[embassy_executor::main]
diff --git a/examples/stm32h7/src/bin/spi_bdma.rs b/examples/stm32h7/src/bin/spi_bdma.rs
index 9166fe9b6..5a7dff572 100644
--- a/examples/stm32h7/src/bin/spi_bdma.rs
+++ b/examples/stm32h7/src/bin/spi_bdma.rs
@@ -16,7 +16,7 @@ use static_cell::StaticCell;
 use {defmt_rtt as _, panic_probe as _};
 
 // Defined in memory.x
-#[link_section = ".ram_d3"]
+#[unsafe(link_section = ".ram_d3")]
 static mut RAM_D3: GroundedArrayCell<u8, 256> = GroundedArrayCell::uninit();
 
 #[embassy_executor::task]