Eliminate deadlock when writing config from radio link

[fw/altos] / src / ao_config.c

diff --git a/src/ao_config.c b/src/ao_config.c
index f8ea27feb54e6c9124efe526317fab397ac222ce..8df994a643d79e376814a10ed9ebddcdbb99b516 100644 (file)
--- a/src/ao_config.c
+++ b/src/ao_config.c
@@ -377,13 +377,18 @@ ao_config_show(void) __reentrant
 void
 ao_config_write(void) __reentrant
 {
+       uint8_t saved = 0;
        ao_mutex_get(&ao_config_mutex);
        if (ao_config_dirty) {
                _ao_config_put();
                ao_config_dirty = 0;
-               printf("Saved\n");
+               saved = 1;
        }
        ao_mutex_put(&ao_config_mutex);
+       if (saved)
+               puts("Saved");
+       else
+               puts("Nothing to save");
 }
 #endif