From: Paul Cacheux <paulcacheux@gmail.com>
Date: Sun, 4 May 2025 18:27:52 +0000 (+0200)
Subject: tracing: add missing trace_probe_log_clear for eprobes
X-Git-Tag: v6.15-rc7~34^2~1
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e41b5af4519f90f9a751805ede2102ae36caf5d0;p=thirdparty%2Fkernel%2Flinux.git

tracing: add missing trace_probe_log_clear for eprobes

Make sure trace_probe_log_clear is called in the tracing
eprobe code path, matching the trace_probe_log_init call.

Link: https://lore.kernel.org/all/20250504-fix-trace-probe-log-race-v3-1-9e99fec7eddc@gmail.com/

Signed-off-by: Paul Cacheux <paulcacheux@gmail.com>
Acked-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
---

diff --git a/kernel/trace/trace_eprobe.c b/kernel/trace/trace_eprobe.c
index c08355c3ef32b..916555f0de811 100644
--- a/kernel/trace/trace_eprobe.c
+++ b/kernel/trace/trace_eprobe.c
@@ -969,10 +969,13 @@ static int __trace_eprobe_create(int argc, const char *argv[])
 			goto error;
 		}
 	}
+	trace_probe_log_clear();
 	return ret;
+
 parse_error:
 	ret = -EINVAL;
 error:
+	trace_probe_log_clear();
 	trace_event_probe_cleanup(ep);
 	return ret;
 }