diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/vendorcode/google/chromeos/vboot2/vboot_logic.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/vendorcode/google/chromeos/vboot2/vboot_logic.c b/src/vendorcode/google/chromeos/vboot2/vboot_logic.c index 0d08d6adb2..fec368c590 100644 --- a/src/vendorcode/google/chromeos/vboot2/vboot_logic.c +++ b/src/vendorcode/google/chromeos/vboot2/vboot_logic.c @@ -202,6 +202,17 @@ static int hash_body(struct vb2_context *ctx, struct region_device *fw_main) if (rv) return rv; + /* + * Honor vboot's RW slot size. The expected size is pulled out of + * the preamble and obtained through vb2api_init_hash() above. By + * creating sub region the RW slot portion of the boot media is + * limited. + */ + if (rdev_chain(fw_main, fw_main, 0, expected_size)) { + printk(BIOS_ERR, "Unable to restrict CBFS size.\n"); + return VB2_ERROR_UNKNOWN; + } + /* Extend over the body */ while (expected_size) { uint64_t temp_ts; |