sandbox: cros_ec: fix uninitialized use of len
Building with gcc-5.2 raises this warning:
drivers/misc/cros_ec_sandbox.c: In function cros_ec_sandbox_packet:
drivers/misc/cros_ec_sandbox.c:483:5: warning: len may be used uninitialized in this function [-Wmaybe-uninitialized]
if (len < 0)
^
If the function process_cmd() is called with
req_hdr->command == EC_CMD_ENTERING_MODE, the value of len will be
returned uninitialized.
Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/misc/cros_ec_sandbox.c b/drivers/misc/cros_ec_sandbox.c
index 7509612..98f19a6 100644
--- a/drivers/misc/cros_ec_sandbox.c
+++ b/drivers/misc/cros_ec_sandbox.c
@@ -460,6 +460,7 @@
len = cros_ec_keyscan(ec, resp_data);
break;
case EC_CMD_ENTERING_MODE:
+ len = 0;
break;
default:
printf(" ** Unknown EC command %#02x\n", req_hdr->command);