[PATCH 2/9] test: Adjust print_ut test to use unsigned char

[Simon Glass]

Since char is unsigned on arm64, this test currently fails. It seems
better to use unsigned anyway, since 0xff is written into the string at
the start.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

 test/print_ut.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/test/print_ut.c b/test/print_ut.c
index f5e607b21a3..7e5c015f3a7 100644
--- a/test/print_ut.c
+++ b/test/print_ut.c
@@ -242,7 +242,7 @@ PRINT_TEST(print_display_buffer, UTF_CONSOLE);
 
 static int print_hexdump_line(struct unit_test_state *uts)
 {
-	char *linebuf;
+	u8 *linebuf;
 	u8 *buf;
 	int i;
 
@@ -255,10 +255,10 @@ static int print_hexdump_line(struct unit_test_state *uts)
 	linebuf = map_sysmem(0x400, BUF_SIZE);
 	memset(linebuf, '\xff', BUF_SIZE);
 	ut_asserteq(-ENOSPC, hexdump_line(0, buf, 1, 0x10, 0, linebuf, 75));
-	ut_asserteq(-1, linebuf[0]);
+	ut_asserteq(0xff, linebuf[0]);
 	ut_asserteq(0x10, hexdump_line(0, buf, 1, 0x10, 0, linebuf, 76));
 	ut_asserteq(0, linebuf[75]);
-	ut_asserteq(-1, linebuf[76]);
+	ut_asserteq(0xff, linebuf[76]);
 
 	unmap_sysmem(buf);
 
-- 
2.34.1