efivar-types.h: fix alignment of efi_guid_t

The current alignment of 1 can lead to a lot of Walign-mismatch warnings in C++. This behavior also doesn't seem to be up to spec, as evidenced by a similar change made in the Linux ARM kernel: https://patchwork.kernel.org/project/linux-arm-kernel/patch/[email protected]/
rhboot · Jan 10, 2025 · 314866a · 314866a
1 parent c71c434
commit 314866a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/include/efivar/efivar-types.h b/src/include/efivar/efivar-types.h
@@ -20,7 +20,7 @@ typedef struct {
 	uint16_t	c;
 	uint16_t	d;
 	uint8_t		e[6];
-} efi_guid_t __attribute__((__aligned__(1)));
+} efi_guid_t __attribute__((__aligned__(4)));
 
 #if BYTE_ORDER == LITTLE_ENDIAN
 #define EFI_GUID(a,b,c,d,e0,e1,e2,e3,e4,e5) \