diff options
| author | Vincent Donnefort <vdonnefort@google.com> | 2026-03-09 16:24:54 +0000 |
|---|---|---|
| committer | Steven Rostedt (Google) <rostedt@goodmis.org> | 2026-03-09 12:33:54 -0400 |
| commit | bf2ba0f8ca1af14aaaa765cbb93caf564d383aad (patch) | |
| tree | 43a7844f83d87838694012c67892506ae0b2b550 /kernel | |
| parent | 330b0cceb30634864d1e9c661eb5524c52d70c07 (diff) | |
tracing: Add init callback to trace remotes
Add a .init call back so the trace remote callers can add entries to the
tracefs directory.
Link: https://patch.msgid.link/20260309162516.2623589-9-vdonnefort@google.com
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Signed-off-by: Vincent Donnefort <vdonnefort@google.com>
Signed-off-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/trace/trace_remote.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/kernel/trace/trace_remote.c b/kernel/trace/trace_remote.c index 039ba71c3b3e..294d051dcef1 100644 --- a/kernel/trace/trace_remote.c +++ b/kernel/trace/trace_remote.c @@ -863,6 +863,7 @@ err: int trace_remote_register(const char *name, struct trace_remote_callbacks *cbs, void *priv) { struct trace_remote *remote; + int ret; remote = kzalloc_obj(*remote); if (!remote) @@ -880,7 +881,11 @@ int trace_remote_register(const char *name, struct trace_remote_callbacks *cbs, return -ENOMEM; } - return 0; + ret = cbs->init ? cbs->init(remote->dentry, priv) : 0; + if (ret) + pr_err("Init failed for trace remote '%s' (%d)\n", name, ret); + + return ret; } EXPORT_SYMBOL_GPL(trace_remote_register); |