shim: use an enum for efi_main's error messages.

Numbering the error messages in efi_main directly was a mistake, and the
following patches just make it more apparent.

This makes it an enum so we don't have to re-number at more than one
place when we add or remove them.

Signed-off-by: Peter Jones <pjones@redhat.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/shim.c b/shim.c
index f9af1d83..57b86b19 100644
--- a/shim.c
+++ b/shim.c
@@ -1855,7 +1855,10 @@ efi_main (EFI_HANDLE passed_image_handle, EFI_SYSTEM_TABLE *passed_systab)
 		L"shim_init() failed",
 		NULL
 	};
-	int msg = 0;
+	enum {
+		IMPORT_MOK_STATE,
+		SHIM_INIT,
+	} msg = IMPORT_MOK_STATE;
 
 	/*
 	 * Set up the shim lock protocol so that grub and MokManager can
@@ -1911,7 +1914,7 @@ die:
 
 	efi_status = shim_init();
 	if (EFI_ERROR(efi_status)) {
-		msg = 1;
+		msg = SHIM_INIT;
 		goto die;
 	}