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EFI: Do not consider OsIndications variable if CONFIG_EFI_IGNORE_OSINDICATIONS is enabled
The EFI_IGNORE_OSINDICATIONS config symbol was introduced as a mechanism to have capsule updates work even on platforms where the SetVariable runtime service was not supported. The current logic requires the OsIndications variable to have been set to a 64 bit value even when the EFI_IGNORE_OSINDICATIONS config is enabled. Return an error code on not being able to read the variable only when EFI_IGNORE_OSINDICATIONS is not enabled. Signed-off-by: Sughosh Ganu <sughosh.ganu@linaro.org> Reviewed-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
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1 changed files with 4 additions and 3 deletions
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@ -1058,14 +1058,15 @@ static void efi_capsule_scan_done(void)
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*/
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static efi_status_t check_run_capsules(void)
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{
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u64 os_indications;
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u64 os_indications = 0x0;
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efi_uintn_t size;
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efi_status_t r;
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size = sizeof(os_indications);
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r = efi_get_variable_int(u"OsIndications", &efi_global_variable_guid,
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NULL, &size, &os_indications, NULL);
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if (r != EFI_SUCCESS || size != sizeof(os_indications))
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if (!IS_ENABLED(CONFIG_EFI_IGNORE_OSINDICATIONS) &&
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(r != EFI_SUCCESS || size != sizeof(os_indications)))
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return EFI_NOT_FOUND;
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if (os_indications &
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@ -1084,7 +1085,7 @@ static efi_status_t check_run_capsules(void)
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return EFI_SUCCESS;
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} else if (IS_ENABLED(CONFIG_EFI_IGNORE_OSINDICATIONS)) {
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return EFI_SUCCESS;
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} else {
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} else {
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return EFI_NOT_FOUND;
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}
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}
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