Revert "limit modify_cmdline replacement subslice to file size"

This reverts commit 972579fa42e8af42dc75d454fec93b54f337dc58.

1 files changed, 1 insertions, 5 deletions

diff --git a/src/main.rs b/src/main.rs
index 411d933..f72da42 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -289,11 +289,7 @@ fn modify_cmdline(old: &str, new: &str) -> Result<()> {
         / 512
         + 1;
 
-    replace_slice(
-        &mut buf[cmdline_offset..cmdline_offset + cmdline_buf.len()],
-        old.as_bytes(),
-        new.as_bytes(),
-    );
+    replace_slice(&mut buf[cmdline_offset..], old.as_bytes(), new.as_bytes());
 
     fs::write(boot, buf)?;
     nix::unistd::sync();