6.12-stable review patch. If anyone has any objections, please let me know.
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From: Masami Hiramatsu (Google) mhiramat@kernel.org
commit c54a1a06daa78613519b4d24495b0d175b8af63f upstream.
Since the new fgraph requires to initialize fgraph_ops.ops.func_hash before calling register_ftrace_graph(), initialize it with default (tracing all functions) parameter.
Cc: stable@vger.kernel.org Fixes: 5fccc7552ccb ("ftrace: Add subops logic to allow one ops to manage many") Signed-off-by: Masami Hiramatsu (Google) mhiramat@kernel.org Signed-off-by: Steven Rostedt (Google) rostedt@goodmis.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- kernel/trace/ftrace.c | 4 ++++ 1 file changed, 4 insertions(+)
--- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -883,6 +883,10 @@ static void profile_graph_return(struct }
static struct fgraph_ops fprofiler_ops = { + .ops = { + .flags = FTRACE_OPS_FL_INITIALIZED, + INIT_OPS_HASH(fprofiler_ops.ops) + }, .entryfunc = &profile_graph_entry, .retfunc = &profile_graph_return, };