Fix

mount-notify_test.c: In function ‘fanotify_rmdir’: mount-notify_test.c:467:17: error: ignoring return value of ‘chdir’ declared with attribute ‘warn_unused_result’

by checking and then ignoring the return value of chdir().

Fixes: e1c24b52adb22 ("selftests: add tests for mount notification") Cc: Miklos Szeredi mszeredi@redhat.com Signed-off-by: Guenter Roeck linux@roeck-us.net --- .../selftests/filesystems/mount-notify/mount-notify_test.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/tools/testing/selftests/filesystems/mount-notify/mount-notify_test.c b/tools/testing/selftests/filesystems/mount-notify/mount-notify_test.c index e4b7c2b457ee..c53383d4167c 100644 --- a/tools/testing/selftests/filesystems/mount-notify/mount-notify_test.c +++ b/tools/testing/selftests/filesystems/mount-notify/mount-notify_test.c @@ -464,7 +464,8 @@ TEST_F(fanotify, rmdir) ASSERT_GE(ret, 0);

if (ret == 0) { - chdir("/"); + if (chdir("/")) + ; unshare(CLONE_NEWNS); mount("", "/", NULL, MS_REC|MS_PRIVATE, NULL); umount2("/a", MNT_DETACH);