[PATCH v2 1/1] efi_loader: Uninstall the TCG2 protocol if logging s-crtm fails
Heinrich Schuchardt
xypron.glpk at gmx.de
Tue May 11 08:39:30 CEST 2021
From: Ilias Apalodimas <ilias.apalodimas at linaro.org>
Instead of just failing, clean up the installed config table and
EventLog memory if logging an s-crtm event fails during the protocol
installation
Signed-off-by: Ilias Apalodimas <ilias.apalodimas at linaro.org>
Eliminate label 'out:' by using return.
Reviewed-by: Heinrich Schuchardt <xypron.glpk at gmx.de>
Signed-off-by: Heinrich Schuchardt <xypron.glpk at gmx.de>
---
lib/efi_loader/efi_tcg2.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/lib/efi_loader/efi_tcg2.c b/lib/efi_loader/efi_tcg2.c
index 570cc746ed..4530a47b63 100644
--- a/lib/efi_loader/efi_tcg2.c
+++ b/lib/efi_loader/efi_tcg2.c
@@ -1103,8 +1103,7 @@ efi_status_t efi_tcg2_register(void)
ret = platform_get_tpm2_device(&dev);
if (ret != EFI_SUCCESS) {
log_warning("Unable to find TPMv2 device\n");
- ret = EFI_SUCCESS;
- goto out;
+ return EFI_SUCCESS;
}
ret = efi_init_event_log();
@@ -1113,7 +1112,7 @@ efi_status_t efi_tcg2_register(void)
ret = efi_append_scrtm_version(dev);
if (ret != EFI_SUCCESS)
- goto out;
+ goto fail;
ret = efi_add_protocol(efi_root, &efi_guid_tcg2_protocol,
(void *)&efi_tcg2_protocol);
@@ -1121,9 +1120,8 @@ efi_status_t efi_tcg2_register(void)
log_err("Cannot install EFI_TCG2_PROTOCOL\n");
goto fail;
}
-
-out:
return ret;
+
fail:
tcg2_uninit();
return ret;
--
2.30.2
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