efi_loader: Correctly account the SCRTM event creation
The result of efi_append_scrtm_version() is overwritten before anyone
checks its result. Check it and exit the function on failures
Addresses-Coverity-ID: 467399 Code maintainability issues (UNUSED_VALUE)
Fixes: commit 97707f12fdab ("tpm: Support boot measurements")
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
diff --git a/lib/efi_loader/efi_tcg2.c b/lib/efi_loader/efi_tcg2.c
index 2eaa12b..463ea4c 100644
--- a/lib/efi_loader/efi_tcg2.c
+++ b/lib/efi_loader/efi_tcg2.c
@@ -944,8 +944,11 @@
* Add SCRTM version to the log if previous firmmware
* doesn't pass an eventlog.
*/
- if (!elog.found)
+ if (!elog.found) {
ret = efi_append_scrtm_version(dev);
+ if (ret != EFI_SUCCESS)
+ goto free_pool;
+ }
ret = create_final_event();
if (ret != EFI_SUCCESS)