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efi_loader: use efi_install_multiple_protocol_interfaces()
The TCG2 protocol currently adds and removes protocols with efi_(add/remove)_protocol(). Removing protocols with efi_remove_protocol() might prove problematic since it doesn't call DisconnectController() when uninstalling the protocol and does not comply with the UEFI specification. It's also beneficial for readability to have protocol installations and removals in pairs -- IOW when efi_install_multiple_protocol_interfaces() is called, efi_uninstall_multiple_protocol_interfaces() should be used to remove it. So let's swap the efi_add_protocol() as well. Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
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1 changed files with 4 additions and 4 deletions
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@ -1680,8 +1680,8 @@ void tcg2_uninit(void)
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if (!is_tcg2_protocol_installed())
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return;
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ret = efi_remove_protocol(efi_root, &efi_guid_tcg2_protocol,
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(void *)&efi_tcg2_protocol);
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ret = efi_uninstall_multiple_protocol_interfaces(efi_root, &efi_guid_tcg2_protocol,
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&efi_tcg2_protocol, NULL);
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if (ret != EFI_SUCCESS)
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log_err("Failed to remove EFI TCG2 protocol\n");
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}
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@ -2507,8 +2507,8 @@ efi_status_t efi_tcg2_register(void)
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goto fail;
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}
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ret = efi_add_protocol(efi_root, &efi_guid_tcg2_protocol,
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(void *)&efi_tcg2_protocol);
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ret = efi_install_multiple_protocol_interfaces(&efi_root, &efi_guid_tcg2_protocol,
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&efi_tcg2_protocol, NULL);
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if (ret != EFI_SUCCESS) {
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tcg2_uninit();
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goto fail;
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