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efi_loader: correct ExitBootServices()

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Always use EFI_EXIT() to return from the function.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Heinrich Schuchardt 2019-06-11 20:05:40 +02:00
parent 1d3e8dc792
commit 98967379b6
1 changed files with 8 additions and 5 deletions
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13
lib/efi_loader/efi_boottime.c
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@ -1933,16 +1933,19 @@ static efi_status_t EFIAPI efi_exit_boot_services(efi_handle_t image_handle,
efi_uintn_t map_key)
{
struct efi_event *evt;
efi_status_t ret = EFI_SUCCESS;
EFI_ENTRY("%p, %zx", image_handle, map_key);
/* Check that the caller has read the current memory map */
if (map_key != efi_memory_map_key)
return EFI_INVALID_PARAMETER;
if (map_key != efi_memory_map_key) {
ret = EFI_INVALID_PARAMETER;
goto out;
}
/* Check if ExitBootServices has already been called */
if (!systab.boottime)
return EFI_EXIT(EFI_SUCCESS);
goto out;
/* Stop all timer related activities */
timers_enabled = false;
@ -1990,8 +1993,8 @@ static efi_status_t EFIAPI efi_exit_boot_services(efi_handle_t image_handle,
/* Give the payload some time to boot */
efi_set_watchdog(0);
WATCHDOG_RESET();
return EFI_EXIT(EFI_SUCCESS);
out:
return EFI_EXIT(ret);
}
/**