imx_hab_device_locked_down() reads efuses and that operation can fail.
Instead of assuming a failure means the efuses are non-zero, have the
hab command explicitly check for negative error codes.
Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
---
commands/hab.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/commands/hab.c b/commands/hab.c
index 97a1701fa551..8ae943a4c880 100644
--- a/commands/hab.c
+++ b/commands/hab.c
@@ -58,7 +58,13 @@ static int do_hab(int argc, char *argv[])
printf("%02x", srk[i]);
printf("\n");
- if (imx_hab_device_locked_down())
+ ret = imx_hab_device_locked_down();
+ if (ret < 0) {
+ printf("failed to determine lockdown mode: '%pe'\n", ERR_PTR(ret));
+ return ret;
+ }
+
+ if (ret)
printf("secure mode\n");
else
printf("devel mode\n");
--
2.39.2
