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Subject[PATCH v2] selftests/landlock:Fix two build issues
Date
From: "Hu.Yadi" <hu.yadi@h3c.com>

Two issues comes up while building selftest/landlock:

the first one is as to gettid

net_test.c: In function ‘set_service’:
net_test.c:91:45: warning: implicit declaration of function ‘gettid’; [-Wimplicit-function-declaration]
"_selftests-landlock-net-tid%d-index%d", gettid(),
^~~~~~
getgid
net_test.c:(.text+0x4e0): undefined reference to `gettid'

the second is compiler error
gcc -Wall -O2 -isystem fs_test.c -lcap -o selftests/landlock/fs_test
fs_test.c:4575:9: error: initializer element is not constant
.mnt = mnt_tmp,
^~~~~~~

this patch is to fix them

Signed-off-by: Hu.Yadi <hu.yadi@h3c.com>
Suggested-by: Jiao <jiaoxupo@h3c.com>
Reviewed-by: Berlin <berlin@h3c.com>
---
Changes v1 -> v2:
- fix whitespace error
- replace SYS_gettid with _NR_gettid

tools/testing/selftests/landlock/fs_test.c | 5 ++++-
tools/testing/selftests/landlock/net_test.c | 2 +-
2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/tools/testing/selftests/landlock/fs_test.c b/tools/testing/selftests/landlock/fs_test.c
index 18e1f86a6234..a992cf7c0ad1 100644
--- a/tools/testing/selftests/landlock/fs_test.c
+++ b/tools/testing/selftests/landlock/fs_test.c
@@ -4572,7 +4572,10 @@ FIXTURE_VARIANT(layout3_fs)
/* clang-format off */
FIXTURE_VARIANT_ADD(layout3_fs, tmpfs) {
/* clang-format on */
- .mnt = mnt_tmp,
+ .mnt = {
+ .type = "tmpfs",
+ .data = "size=4m,mode=700",
+ },
.file_path = file1_s1d1,
};

diff --git a/tools/testing/selftests/landlock/net_test.c b/tools/testing/selftests/landlock/net_test.c
index 929e21c4db05..455f4efe7346 100644
--- a/tools/testing/selftests/landlock/net_test.c
+++ b/tools/testing/selftests/landlock/net_test.c
@@ -88,7 +88,7 @@ static int set_service(struct service_fixture *const srv,
case AF_UNIX:
srv->unix_addr.sun_family = prot.domain;
sprintf(srv->unix_addr.sun_path,
- "_selftests-landlock-net-tid%d-index%d", gettid(),
+ "_selftests-landlock-net-tid%ld-index%d", syscall(__NR_gettid),
index);
srv->unix_addr_len = SUN_LEN(&srv->unix_addr);
srv->unix_addr.sun_path[0] = '\0';
--
2.23.0

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