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efi: Don't display a uefi-firmware entry if it's not supported

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Add a new --is-supported option to commands/efi/efifwsetup and
conditionalize display on it.

Signed-off-by: Robbie Harwood <rharwood@redhat.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
This commit is contained in:
Robbie Harwood authored and Daniel Kiper committed 2022-08-20 01:26:06 +02:00
1 parent 1e79bbfbda
commit 26031d3b10
2 files changed
+5 -1
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grub-core/commands/efi/efifwsetup.c
+3
View File
@@ -40,6 +40,9 @@ grub_cmd_fwsetup (grub_command_t cmd __attribute__ ((unused)),
grub_size_t oi_size;
static grub_efi_guid_t global = GRUB_EFI_GLOBAL_VARIABLE_GUID;
if (argc >= 1 && grub_strcmp(args[0], "--is-supported") == 0)
return !efifwsetup_is_supported ();
if (!efifwsetup_is_supported ())
return grub_error (GRUB_ERR_INVALID_COMMAND,
N_("reboot to firmware setup is not supported by the current firmware"));