sandbox: Correct error handling in state_read_file()

This function should return a useful error for U-Boot, rather than -1.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Joe Hershberger <joe.hershberger@ni.com>

diff --git a/arch/sandbox/cpu/state.c b/arch/sandbox/cpu/state.c
index 033958c..cae731c 100644 (file)
--- a/arch/sandbox/cpu/state.c
+++ b/arch/sandbox/cpu/state.c
@@ -51,7 +51,7 @@ static int state_read_file(struct sandbox_state *state, const char *fname)
        ret = os_get_filesize(fname, &size);
        if (ret < 0) {
                printf("Cannot find sandbox state file '%s'\n", fname);
-               return ret;
+               return -ENOENT;
        }
        state->state_fdt = os_malloc(size);
        if (!state->state_fdt) {