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-rw-r--r--arch/x86/boot/compressed/Makefile1
-rw-r--r--arch/x86/boot/compressed/mkpiggy.c11
2 files changed, 3 insertions, 9 deletions
diff --git a/arch/x86/boot/compressed/Makefile b/arch/x86/boot/compressed/Makefile
index b123b9a8f5b3..fd55a2ff3ad8 100644
--- a/arch/x86/boot/compressed/Makefile
+++ b/arch/x86/boot/compressed/Makefile
@@ -22,6 +22,7 @@ LDFLAGS := -m elf_$(UTS_MACHINE)
LDFLAGS_vmlinux := -T
hostprogs-y := mkpiggy
+HOST_EXTRACFLAGS += -I$(srctree)/tools/include
VMLINUX_OBJS = $(obj)/vmlinux.lds $(obj)/head_$(BITS).o $(obj)/misc.o \
$(obj)/string.o $(obj)/cmdline.o $(obj)/early_serial_console.o \
diff --git a/arch/x86/boot/compressed/mkpiggy.c b/arch/x86/boot/compressed/mkpiggy.c
index 46a823882437..958a641483dd 100644
--- a/arch/x86/boot/compressed/mkpiggy.c
+++ b/arch/x86/boot/compressed/mkpiggy.c
@@ -29,14 +29,7 @@
#include <stdio.h>
#include <string.h>
#include <inttypes.h>
-
-static uint32_t getle32(const void *p)
-{
- const uint8_t *cp = p;
-
- return (uint32_t)cp[0] + ((uint32_t)cp[1] << 8) +
- ((uint32_t)cp[2] << 16) + ((uint32_t)cp[3] << 24);
-}
+#include <tools/le_byteshift.h>
int main(int argc, char *argv[])
{
@@ -69,7 +62,7 @@ int main(int argc, char *argv[])
}
ilen = ftell(f);
- olen = getle32(&olen);
+ olen = get_unaligned_le32(&olen);
fclose(f);
/*