[PATCH 1/1] efi_loader: fix freestanding memmove()

22 Mar 2020

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 {
--
2.25.1

    