efi: Fix ESRT refresh after Capsule update

Indicated by Coverity Scan CID 331147

The ESRT was being refreshed in situations where the UpdateCapsule
procedure failed. In that scenario:

1) the ESRT refresh was superfluous.
2) a failed ESRT refresh return code overwrites the UpdateCapsule error
return code.

This commit ensures that the ESRT is only refreshed when the
UpdateCapsule performs successfully.

CC: Heinrich Schuchardt <xypron.glpk@gmx.de>
CC: Sughosh Ganu <sughosh.ganu@linaro.org>
CC: AKASHI Takahiro <takahiro.akashi@linaro.org>
CC: Tom Rini <trini@konsulko.com>
CC: Andre Przywara <andre.przywara@arm.com>
CC: nd@arm.com

Signed-off-by: Jose Marinho <jose.marinho@arm.com>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Jose Marinho 2021-04-19 14:54:33 +01:00 committed by Heinrich Schuchardt
parent 6fe8b4a39d
commit 3627cf4bff

View File

@ -481,7 +481,6 @@ efi_status_t EFIAPI efi_update_capsule(
if (ret != EFI_SUCCESS)
goto out;
}
out:
if (IS_ENABLED(CONFIG_EFI_ESRT)) {
/* Rebuild the ESRT to reflect any updated FW images. */
@ -489,6 +488,7 @@ out:
if (ret != EFI_SUCCESS)
log_warning("EFI Capsule: failed to update ESRT\n");
}
out:
return EFI_EXIT(ret);
}