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-rw-r--r--include/sysemu/replay.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/sysemu/replay.h b/include/sysemu/replay.h
index 73dee9ccdf..7ec0882b50 100644
--- a/include/sysemu/replay.h
+++ b/include/sysemu/replay.h
@@ -198,7 +198,7 @@ uint64_t blkreplay_next_id(void);
/*! Registers char driver to save it's events */
void replay_register_char_driver(struct Chardev *chr);
/*! Saves write to char device event to the log */
-void replay_chr_be_write(struct Chardev *s, uint8_t *buf, int len);
+void replay_chr_be_write(struct Chardev *s, const uint8_t *buf, int len);
/*! Writes char write return value to the replay log. */
void replay_char_write_event_save(int res, int offset);
/*! Reads char write return value from the replay log. */