libinstaller: fix definition of bsHeadLen

Correct the definition of bsHeadLen, the size of the region at the
start of the boot sector that should always be copied.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>

diff --git a/libinstaller/syslxint.h b/libinstaller/syslxint.h
index 39098de..3f50e32 100644 (file)
--- a/libinstaller/syslxint.h
+++ b/libinstaller/syslxint.h
@@ -136,7 +136,7 @@ struct boot_sector {
 } __attribute__((packed));
 
 #define bsHead      bsJump
-#define bsHeadLen   offsetof(struct boot_sector, bsJump)
+#define bsHeadLen   offsetof(struct boot_sector, bsOemName)
 #define bsCode     bs32.Code   /* The common safe choice */
 #define bsCodeLen   (offsetof(struct boot_sector, bsSignature) - \
                     offsetof(struct boot_sector, bsCode))