linux-kernel - [PATCH] selftests/nolibc: mmap_munmap

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Date:   Wed, 26 Jul 2023 00:43:36 +0800
From:   Zhangjin Wu <falcon@...ylab.org>
To:     w@....eu
Cc:     linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
        thomas@...ch.de, Zhangjin Wu <falcon@...ylab.org>
Subject: [PATCH] selftests/nolibc: mmap_munmap_good: fix up return value

The other tests use 1 as failure, mmap_munmap_good uses -1 as failure,
let's fix up this.

Signed-off-by: Zhangjin Wu <falcon@...ylab.org>

---

Willy, if it is ok for you, please merge this one to our old queued commit:

commit 6b3e54d01905 ("selftests/nolibc: add mmap_munmap_good test case")

---
 tools/testing/selftests/nolibc/nolibc-test.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c
index 03b1d30f5507..d892aa403095 100644
--- a/tools/testing/selftests/nolibc/nolibc-test.c
+++ b/tools/testing/selftests/nolibc/nolibc-test.c
@@ -725,7 +725,7 @@ int test_mmap_munmap(void)
 
 	page_size = getpagesize();
 	if (page_size < 0)
-		return -1;
+		return 1;
 
 	/* find a right file to mmap, existed and accessible */
 	for (i = 0; files[i] != NULL; i++) {
@@ -736,7 +736,7 @@ int test_mmap_munmap(void)
 			break;
 	}
 	if (ret == -1)
-		return ret;
+		return 1;
 
 	ret = stat(files[i], &stat_buf);
 	if (ret == -1)
@@ -756,7 +756,7 @@ int test_mmap_munmap(void)
 
 	mem = mmap(NULL, length + offset - pa_offset, PROT_READ, MAP_SHARED, fd, pa_offset);
 	if (mem == MAP_FAILED) {
-		ret = -1;
+		ret = 1;
 		goto end;
 	}
 
@@ -764,7 +764,7 @@ int test_mmap_munmap(void)
 
 end:
 	close(fd);
-	return ret;
+	return !!ret;
 }
 
 
-- 
2.25.1