[PATCH] efi_loader: Correctly count the size on DTB measurements

[Ilias Apalodimas]

When doing a sha256_update() for the measured DT, the size arguments for
fdt_size_dt_struct() and fdt_size_dt_strings() are inversed.

Signed-off-by: Ilias Apalodimas <ilias.apalodimas at linaro.org>
---
 lib/efi_loader/efi_tcg2.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/efi_loader/efi_tcg2.c b/lib/efi_loader/efi_tcg2.c
index 1860dc502387..1d52a04ca48f 100644
--- a/lib/efi_loader/efi_tcg2.c
+++ b/lib/efi_loader/efi_tcg2.c
@@ -1343,8 +1343,8 @@ efi_status_t efi_tcg2_measure_dtb(void *dtb)
 	header = dtb;
 	sha256_starts(&hash_ctx);
 	sha256_update(&hash_ctx, (u8 *)header, sizeof(struct fdt_header));
-	sha256_update(&hash_ctx, (u8 *)dtb + fdt_off_dt_struct(dtb), fdt_size_dt_strings(dtb));
-	sha256_update(&hash_ctx, (u8 *)dtb + fdt_off_dt_strings(dtb), fdt_size_dt_struct(dtb));
+	sha256_update(&hash_ctx, (u8 *)dtb + fdt_off_dt_struct(dtb), fdt_size_dt_struct(dtb));
+	sha256_update(&hash_ctx, (u8 *)dtb + fdt_off_dt_strings(dtb), fdt_size_dt_strings(dtb));
 	sha256_update(&hash_ctx, (u8 *)dtb + fdt_off_mem_rsvmap(dtb), rsvmap_size);
 	sha256_finish(&hash_ctx, blob->data + blob->blob_description_size);
 
-- 
2.53.0