Adding upstream version 6.9.2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 9 insertions, 1 deletions

diff --git a/tools/testing/selftests/bpf/test_progs.h b/tools/testing/selftests/bpf/test_progs.h
index 2f9f6f250f..0ba5a20b19 100644
--- a/tools/testing/selftests/bpf/test_progs.h
+++ b/tools/testing/selftests/bpf/test_progs.h
@@ -385,13 +385,21 @@ int test__join_cgroup(const char *path);
 			goto goto_label;				\
 	})
 
+#define ALL_TO_DEV_NULL " >/dev/null 2>&1"
+
 #define SYS_NOFAIL(fmt, ...)						\
 	({								\
 		char cmd[1024];						\
-		snprintf(cmd, sizeof(cmd), fmt, ##__VA_ARGS__);		\
+		int n;							\
+		n = snprintf(cmd, sizeof(cmd), fmt, ##__VA_ARGS__);	\
+		if (n < sizeof(cmd) && sizeof(cmd) - n >= sizeof(ALL_TO_DEV_NULL)) \
+			strcat(cmd, ALL_TO_DEV_NULL);			\
 		system(cmd);						\
 	})
 
+int start_libbpf_log_capture(void);
+char *stop_libbpf_log_capture(void);
+
 static inline __u64 ptr_to_u64(const void *ptr)
 {
 	return (__u64) (unsigned long) ptr;