From 72291a9d83ec2fe50cc8fac304e8ecd5534daf5e Mon Sep 17 00:00:00 2001
From: Heinrich Schuchardt <xypron.glpk@gmx.de>
Date: Sun, 22 Mar 2020 09:52:48 +0100
Subject: [PATCH] efi_loader: fix freestanding memmove()
For EFI binaries we have to provide an implementation of memmove() in
efi_freestanding.c.
Before this patch the memmove() function was copying in the wrong
direction.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
---
lib/efi_loader/efi_freestanding.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/lib/efi_loader/efi_freestanding.c b/lib/efi_loader/efi_freestanding.c
index dcf5d1c49a..bd0dff162f 100644
--- a/lib/efi_loader/efi_freestanding.c
+++ b/lib/efi_loader/efi_freestanding.c
@@ -47,7 +47,7 @@ void *memmove(void *dest, const void *src, size_t n)
u8 *d = dest;
const u8 *s = src;
- if (d >= s) {
+ if (d <= s) {
for (; n; --n)
*d++ = *s++;
} else {
--
2.39.5