[PATCH 27/32] sandbox: Only read the state if we have a state file

[Simon Glass]

We should not read this unless requested. Make it conditional on the
option being provided.

Add some debugging to show the state being written.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

 arch/sandbox/cpu/start.c | 8 +++++---
 arch/sandbox/cpu/state.c | 1 +
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/arch/sandbox/cpu/start.c b/arch/sandbox/cpu/start.c
index d4c4d071aef..5a70ec9ecb1 100644
--- a/arch/sandbox/cpu/start.c
+++ b/arch/sandbox/cpu/start.c
@@ -527,9 +527,11 @@ int sandbox_main(int argc, char *argv[])
 		state->ram_buf_fname = NULL;
 	}
 
-	ret = sandbox_read_state(state, state->state_fname);
-	if (ret)
-		goto err;
+	if (state->read_state && state->state_fname) {
+		ret = sandbox_read_state(state, state->state_fname);
+		if (ret)
+			goto err;
+	}
 
 	if (state->handle_signals) {
 		ret = os_setup_signal_handlers();
diff --git a/arch/sandbox/cpu/state.c b/arch/sandbox/cpu/state.c
index fcc0028ff4a..e38bb248b7f 100644
--- a/arch/sandbox/cpu/state.c
+++ b/arch/sandbox/cpu/state.c
@@ -521,6 +521,7 @@ int state_uninit(void)
 			printf("Failed to write sandbox state\n");
 			return -1;
 		}
+		log_debug("Wrote state to file '%s'\n", state->ram_buf_fname);
 	}
 
 	/* Delete this at the last moment so as not to upset gdb too much */
-- 
2.42.0.rc2.253.gd59a3bf2b4-goog