[PATCH 07/20] headers: add trace_sk_data_ready no-op for kernels < 6.0

From: Yi Cong <[email protected]>

v6.3 qrtr/ns.c calls trace_sk_data_ready() which was added in v6.0.
Provide a no-op macro stub for older kernels.

Signed-off-by: Yi Cong <[email protected]>
---
 backport/backport-include/trace/events/sock.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 backport/backport-include/trace/events/sock.h

diff --git a/backport/backport-include/trace/events/sock.h b/backport/backport-include/trace/events/sock.h
new file mode 100644
index 00000000..7b068aa8
--- /dev/null
+++ b/backport/backport-include/trace/events/sock.h
@@ -0,0 +1,16 @@
+#ifndef __BACKPORT_TRACE_SOCK_H
+#define __BACKPORT_TRACE_SOCK_H
+#include_next <trace/events/sock.h>
+#include <linux/version.h>
+
+#if LINUX_VERSION_IS_LESS(6,0,0)
+/*
+ * trace_sk_data_ready() was added in v6.0.  On older kernels, provide
+ * a no-op stub so that callers compile cleanly.
+ */
+#ifndef trace_sk_data_ready
+#define trace_sk_data_ready(sk) do {} while (0)
+#endif
+#endif
+
+#endif /* __BACKPORT_TRACE_SOCK_H */
-- 
2.43.0