[PATCH v3 28/68] selftests/lsm: Drop define _GNU_SOURCE

[Edward Liaw <edliaw@xxxxxxxxxx>]

_GNU_SOURCE is provided by lib.mk, so it should be dropped to prevent
redefinition warnings.

Fixes: 809216233555 ("selftests/harness: remove use of LINE_MAX")
Reviewed-by: John Hubbard <jhubbard@xxxxxxxxxx>
Reviewed-by: Muhammad Usama Anjum <usama.anjum@xxxxxxxxxxxxx>
Signed-off-by: Edward Liaw <edliaw@xxxxxxxxxx>
---
 tools/testing/selftests/lsm/common.c                 | 2 --
 tools/testing/selftests/lsm/lsm_get_self_attr_test.c | 2 --
 tools/testing/selftests/lsm/lsm_list_modules_test.c  | 2 --
 tools/testing/selftests/lsm/lsm_set_self_attr_test.c | 2 --
 4 files changed, 8 deletions(-)

diff --git a/tools/testing/selftests/lsm/common.c b/tools/testing/selftests/lsm/common.c
index 9ad258912646..1b18aac570f1 100644
--- a/tools/testing/selftests/lsm/common.c
+++ b/tools/testing/selftests/lsm/common.c
@@ -4,8 +4,6 @@
  *
  * Copyright © 2023 Casey Schaufler <casey@xxxxxxxxxxxxxxxx>
  */
-
-#define _GNU_SOURCE
 #include <linux/lsm.h>
 #include <fcntl.h>
 #include <string.h>
diff --git a/tools/testing/selftests/lsm/lsm_get_self_attr_test.c b/tools/testing/selftests/lsm/lsm_get_self_attr_test.c
index df215e4aa63f..7465bde3f922 100644
--- a/tools/testing/selftests/lsm/lsm_get_self_attr_test.c
+++ b/tools/testing/selftests/lsm/lsm_get_self_attr_test.c
@@ -5,8 +5,6 @@
  *
  * Copyright © 2022 Casey Schaufler <casey@xxxxxxxxxxxxxxxx>
  */
-
-#define _GNU_SOURCE
 #include <linux/lsm.h>
 #include <fcntl.h>
 #include <string.h>
diff --git a/tools/testing/selftests/lsm/lsm_list_modules_test.c b/tools/testing/selftests/lsm/lsm_list_modules_test.c
index 06d24d4679a6..a6b44e25c21f 100644
--- a/tools/testing/selftests/lsm/lsm_list_modules_test.c
+++ b/tools/testing/selftests/lsm/lsm_list_modules_test.c
@@ -5,8 +5,6 @@
  *
  * Copyright © 2022 Casey Schaufler <casey@xxxxxxxxxxxxxxxx>
  */
-
-#define _GNU_SOURCE
 #include <linux/lsm.h>
 #include <string.h>
 #include <stdio.h>
diff --git a/tools/testing/selftests/lsm/lsm_set_self_attr_test.c b/tools/testing/selftests/lsm/lsm_set_self_attr_test.c
index 66dec47e3ca3..110c6a07e74c 100644
--- a/tools/testing/selftests/lsm/lsm_set_self_attr_test.c
+++ b/tools/testing/selftests/lsm/lsm_set_self_attr_test.c
@@ -5,8 +5,6 @@
  *
  * Copyright © 2022 Casey Schaufler <casey@xxxxxxxxxxxxxxxx>
  */
-
-#define _GNU_SOURCE
 #include <linux/lsm.h>
 #include <string.h>
 #include <stdio.h>
-- 
2.45.0.118.g7fe29c98d7-goog