[U-Boot] [PATCH 1/1] efi_selftest: efi_st_memcmp return difference of bytes
Heinrich Schuchardt
xypron.glpk at gmx.de
Fri Oct 6 18:39:13 UTC 2017
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 <xypron.glpk at gmx.de>
---
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;
}
--
2.14.1
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