fixup! wip: uzlib source data reader

2 weeks ago · 88411e7f8d
parent adfa4cdced
commit 88411e7f8d
1 changed files with 1 additions and 1 deletions
--- a/core/embed/rust/src/trezorhal/uzlib.rs
+++ b/core/embed/rust/src/trezorhal/uzlib.rs
@ -103,7 +103,7 @@ impl<'a> SourceReadContext<'a> {
    pub unsafe fn advance(&mut self, uncomp: &ffi::uzlib_uncomp) {
        unsafe {
            // SAFETY: we trust uzlib to move the `source` pointer only up to `source_limit`
-            self.buf_head += uncomp.source.offset_from(self.buf.as_ptr()) as usize;
+            self.buf_head = uncomp.source.offset_from(self.buf.as_ptr()) as usize;
        }
    }