[PATCH 3/3] efi_selftest: restore gd before do_reset()

Heinrich Schuchardt xypron.glpk at gmx.de
Thu Sep 10 13:00:48 CEST 2020


Before calling do_reset() in the EFI selftest we must restore the global
data pointer.

Fixes: fa63753f86cc ("efi_selftest: substitute ResetSystem() by do_reset()")
Signed-off-by: Heinrich Schuchardt <xypron.glpk at gmx.de>
---
 lib/efi_selftest/efi_selftest.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/lib/efi_selftest/efi_selftest.c b/lib/efi_selftest/efi_selftest.c
index 6eec8ae2a7..165fa265f2 100644
--- a/lib/efi_selftest/efi_selftest.c
+++ b/lib/efi_selftest/efi_selftest.c
@@ -311,11 +311,13 @@ efi_status_t EFIAPI efi_selftest(efi_handle_t image_handle,
 	efi_st_printf("Preparing for reset. Press any key...\n");
 	efi_st_get_key();

-	if (IS_ENABLED(CONFIG_EFI_HAVE_RUNTIME_RESET))
+	if (IS_ENABLED(CONFIG_EFI_HAVE_RUNTIME_RESET)) {
 		runtime->reset_system(EFI_RESET_WARM, EFI_NOT_READY,
 				      sizeof(reset_message), reset_message);
-	else
+	} else {
+		efi_restore_gd();
 		do_reset(NULL, 0, 0, NULL);
+	}

 	efi_st_printf("\n");
 	efi_st_error("Reset failed\n");
--
2.28.0



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