From c155dfeb1e17181998e66830b677baa8983daf6b Mon Sep 17 00:00:00 2001 From: Heinrich Schuchardt Date: Fri, 6 Oct 2017 20:39:13 +0200 Subject: [PATCH] efi_selftest: efi_st_memcmp return difference of bytes If the memory regions are different efi_st_memcmp currently returns the difference of the addresses. Insted the difference of the first differing byte pair should be returned. Signed-off-by: Heinrich Schuchardt Signed-off-by: Alexander Graf --- lib/efi_selftest/efi_selftest_util.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/efi_selftest/efi_selftest_util.c b/lib/efi_selftest/efi_selftest_util.c index c9c295e2fb..5cffe383d8 100644 --- a/lib/efi_selftest/efi_selftest_util.c +++ b/lib/efi_selftest/efi_selftest_util.c @@ -17,7 +17,7 @@ int efi_st_memcmp(const void *buf1, const void *buf2, size_t length) for (; length; --length) { if (*pos1 != *pos2) - return pos1 - pos2; + return *pos1 - *pos2; ++pos1; ++pos2; } -- 2.39.5