git: 5f2dd25a9e71 - main - efivar: Test uuid against zero

The branch main has been updated by imp:

URL: https://cgit.FreeBSD.org/src/commit/?id=5f2dd25a9e718f8d317c249e813818edbee08b22

commit 5f2dd25a9e718f8d317c249e813818edbee08b22
Author:     Warner Losh <imp@FreeBSD.org>
AuthorDate: 2025-05-01 17:53:05 +0000
Commit:     Warner Losh <imp@FreeBSD.org>
CommitDate: 2025-05-01 17:53:05 +0000

    efivar: Test uuid against zero
    
    Test the passed in GuID against a guid of all 0's. This removes another
    place that has to worry about the difference between uuit_t and
    EFI_GUID.
    
    Sponsored by:           Netflix
    Reviewed by:            kib
    Differential Revision:  https://reviews.freebsd.org/D50034
---
 lib/libefivar/efivar.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/lib/libefivar/efivar.c b/lib/libefivar/efivar.c
index a74deeae1e03..0089ed608a6f 100644
--- a/lib/libefivar/efivar.c
+++ b/lib/libefivar/efivar.c
@@ -77,7 +77,6 @@ static struct uuid_table guid_tbl [] =
 	{ "f46ee6f4-4785-43a3-923d-7f786c3c8479", "lenovo_startup_interrupt", Z },
 	{ "ffffffff-ffff-ffff-ffff-ffffffffffff", "zzignore-this-guid", Z },
 };
-#undef Z
 
 static void
 efi_guid_tbl_compile(void)
@@ -293,9 +292,7 @@ efi_guid_cmp(const efi_guid_t *guid1, const efi_guid_t *guid2)
 int
 efi_guid_is_zero(const efi_guid_t *guid)
 {
-	uint32_t status;
-
-	return uuid_is_nil((const uuid_t *)guid, &status);
+	return (memcmp(guid, &efi_guid_empty, sizeof(*guid)) == 0);
 }
 
 int