diff --git a/CHANGELOG.md b/CHANGELOG.md index 43acf6e2..42223f86 100644 --- a/CHANGELOG.md +++ b/CHANGELOG.md @@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/). - Move from bors/manual merge to GH merge queue - Add tools/check.py python script for local check - Add changelog check on PRs +- Replace UB code by a legitimate pointer access ## [v0.10.0] - 2022-12-12 diff --git a/src/spi.rs b/src/spi.rs index f32e373c..74ad0083 100644 --- a/src/spi.rs +++ b/src/spi.rs @@ -355,7 +355,7 @@ where fn write_data_reg(&mut self, data: FrameSize) { // NOTE(write_volatile) see note above - unsafe { ptr::write_volatile(&self.spi.dr as *const _ as *mut FrameSize, data) } + unsafe { ptr::write_volatile(ptr::addr_of!(self.spi.dr) as *mut FrameSize, data) } } // Implement write as per the "Transmit only procedure" page 712