[U-Boot] [RFC][PATCH] spl: vboot: Verify content before using load_addr

[Teddy Reed]

When using verified-boot in the SPL, the FIT content must be
verified before it can be used.

Currently the load_addr FIT property is read and used as input to
memcpy before the property is verified.

Signed-off-by: Teddy Reed <teddy.reed at gmail.com>
---
 common/spl/spl_fit.c | 19 ++++++++++---------
 1 file changed, 10 insertions(+), 9 deletions(-)

diff --git a/common/spl/spl_fit.c b/common/spl/spl_fit.c
index 2321ebb0dde..a35c6092cee 100644
--- a/common/spl/spl_fit.c
+++ b/common/spl/spl_fit.c
@@ -244,6 +244,16 @@ static int spl_load_fit_image(struct spl_load_info *info, ulong sector,
 		src = (void *)data;
 	}
 
+#ifdef CONFIG_SPL_FIT_SIGNATURE
+	printf("## Checking hash(es) for Image %s ...\n",
+	       fit_get_name(fit, node, NULL));
+	ret = fit_image_verify_with_data(fit, node,
+					 (const void *)src, length);
+	printf("\n");
+	if (!ret)
+		return 1;
+#endif
+
 #ifdef CONFIG_SPL_FIT_IMAGE_POST_PROCESS
 	board_fit_image_post_process(&src, &length);
 #endif
@@ -269,16 +279,7 @@ static int spl_load_fit_image(struct spl_load_info *info, ulong sector,
 		image_info->entry_point = fdt_getprop_u32(fit, node, "entry");
 	}
 
-#ifdef CONFIG_SPL_FIT_SIGNATURE
-	printf("## Checking hash(es) for Image %s ...\n",
-	       fit_get_name(fit, node, NULL));
-	ret = fit_image_verify_with_data(fit, node,
-					 (const void *)load_addr, length);
-	printf("\n");
-	return !ret;
-#else
 	return 0;
-#endif
 }
 
 static int spl_fit_append_fdt(struct spl_image_info *spl_image,
-- 
2.13.5