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samples: rust: fix endianness issue in rust_driver_pci

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MMIO backend of PCI Bar always assumes little-endian devices and
will convert to CPU endianness automatically. Remove the u32::from_le
conversion which would cause a bug on big-endian machines.

Cc: stable@vger.kernel.org
Reviewed-by: Dirk Behme <dirk.behme@de.bosch.com>
Signed-off-by: Marko Turk <mt@markoturk.info>
Fixes: 685376d18e ("samples: rust: add Rust PCI sample driver")
Link: https://patch.msgid.link/20251210112503.62925-2-mt@markoturk.info
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
This commit is contained in:
Marko Turk
2025-12-10 12:25:51 +01:00
committed by Danilo Krummrich
parent d8932355f8
commit e2f1081ca8
1 changed files with 1 additions and 1 deletions
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2
samples/rust/rust_driver_pci.rs
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@@ -48,7 +48,7 @@ fn testdev(index: &TestIndex, bar: &Bar0) -> Result<u32> {
// Select the test.
bar.write8(index.0, Regs::TEST);
let offset = u32::from_le(bar.read32(Regs::OFFSET)) as usize;
let offset = bar.read32(Regs::OFFSET) as usize;
let data = bar.read8(Regs::DATA);
// Write `data` to `offset` to increase `count` by one.