commit 2cb2978559b36e14c79fdf7cb016b73f7c60169d
author Vladimir Serbinenko <phcoder@gmail.com> Sun May 31 11:32:09 2015 +0200
committer Vladimir Serbinenko <phcoder@gmail.com> Mon Jun 01 19:38:57 2015 +0200
tree 31db634c4b68dc05bec13b08db07b9cd3d750b5b
parent 72ee183c384a759712f256f5f4faa7394bcea9ec

SLIC: Check SLIC signature.

Change-Id: I79fd4d17b534274b1e84bc97ca5a2a6ee55e3114
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/10383
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>

src/arch/x86/boot/acpi.c

diff --git a/src/arch/x86/boot/acpi.c b/src/arch/x86/boot/acpi.c
index a7a638f..4ce5ed6 100644
--- a/src/arch/x86/boot/acpi.c
+++ b/src/arch/x86/boot/acpi.c
@@ -762,8 +762,10 @@
 	slic_file = cbfs_get_file_content(CBFS_DEFAULT_MEDIA,
 				     CONFIG_CBFS_PREFIX "/slic",
 				     CBFS_TYPE_RAW, &slic_size);
-	if (slic_file && (slic_file->length > slic_size
-			  || slic_file->length < sizeof (acpi_header_t))) {
+	if (slic_file
+	    && (slic_file->length > slic_size
+		|| slic_file->length < sizeof (acpi_header_t)
+		|| memcmp(slic_file->signature, "SLIC", 4) != 0)) {
 		slic_file = 0;
 	}