From 308827aec6aa7af5aa3e9c40ed6f366109c5cd19 Mon Sep 17 00:00:00 2001
From: Ulf Lilleengen <ulf.lilleengen@gmail.com>
Date: Fri, 26 Apr 2024 11:07:40 +0200
Subject: [PATCH] ensure writes don't pass max chunk size

---
 src/page.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/page.rs b/src/page.rs
index 9c29301..6a53a85 100644
--- a/src/page.rs
+++ b/src/page.rs
@@ -434,7 +434,7 @@ impl<H: Header> PageWriter<H> {
     }
 
     pub async fn write<F: Flash>(&mut self, flash: &mut F, data: &[u8]) -> Result<usize, Error<F::Error>> {
-        let max_write = PAGE_SIZE.saturating_sub(self.chunk_offset + ChunkHeader::SIZE + self.chunk_pos);
+        let max_write = PAGE_SIZE.saturating_sub(self.chunk_offset + ChunkHeader::SIZE + self.chunk_pos).min(MAX_CHUNK_SIZE);
         let total_n = data.len().min(max_write);
         if total_n == 0 {
             return Ok(0);