From: Zhangjin Wu <falcon@tinylab.org>
Date: Fri, 7 Jul 2023 18:38:57 +0000 (+0800)
Subject: selftests/nolibc: prepare /tmp for tests that need to write
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=bbb14546bd22b1c41af7182d085abe89ae21eecd;p=linux.git

selftests/nolibc: prepare /tmp for tests that need to write

create a /tmp directory. If it succeeds, the directory is writable,
which is normally the case when booted from an initramfs anyway.

This will be used instead of procfs for some tests.

Reviewed-by: Thomas Weißschuh <linux@weissschuh.net>
Signed-off-by: Zhangjin Wu <falcon@tinylab.org>
Link: https://lore.kernel.org/lkml/20230710050600.9697-1-falcon@tinylab.org/
[wt: removed the unneeded mount() call]
Signed-off-by: Willy Tarreau <w@1wt.eu>
---

diff --git a/tools/testing/selftests/nolibc/nolibc-test.c b/tools/testing/selftests/nolibc/nolibc-test.c
index 55cc2296c292b..bc2f40c9cee64 100644
--- a/tools/testing/selftests/nolibc/nolibc-test.c
+++ b/tools/testing/selftests/nolibc/nolibc-test.c
@@ -1064,6 +1064,9 @@ int prepare(void)
 		}
 	}
 
+	/* some tests rely on a writable /tmp */
+	mkdir("/tmp", 0755);
+
 	return 0;
 }