diff --git a/fs/smb/client/smb2ops.c b/fs/smb/client/smb2ops.c
index a16ded46b5a2..c1aaf77e187b 100644
--- a/fs/smb/client/smb2ops.c
+++ b/fs/smb/client/smb2ops.c
@@ -1905,6 +1905,12 @@ retry:
 		src_off_prev = src_off;
 		dst_off_prev = dst_off;
 
+		/*
+		 * __counted_by_le(ChunkCount): set to allocated chunks before
+		 * populating Chunks[]
+		 */
+		cc_req->ChunkCount = cpu_to_le32(chunk_count);
+
 		chunks = 0;
 		copy_bytes = 0;
 		copy_bytes_left = umin(total_bytes_left, tcon->max_bytes_copy);