From: Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx> Fix to initialize the ftrace_ops of fgraph_ops with ftrace_graph_func instead of ftrace_stub. Signed-off-by: Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx> --- kernel/trace/fgraph.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/trace/fgraph.c b/kernel/trace/fgraph.c index 597250bd30dc..858fb73440ec 100644 --- a/kernel/trace/fgraph.c +++ b/kernel/trace/fgraph.c @@ -872,7 +872,7 @@ unsigned long ftrace_graph_ret_addr(struct task_struct *task, int *idx, void fgraph_init_ops(struct ftrace_ops *dst_ops, struct ftrace_ops *src_ops) { - dst_ops->func = ftrace_stub; + dst_ops->func = ftrace_graph_func; dst_ops->flags = FTRACE_OPS_FL_PID | FTRACE_OPS_FL_STUB; #ifdef FTRACE_GRAPH_TRAMP_ADDR @@ -1120,7 +1120,7 @@ int register_ftrace_graph(struct fgraph_ops *gops) if (!gops->ops.func) { gops->ops.flags |= FTRACE_OPS_FL_STUB; - gops->ops.func = ftrace_stub; + gops->ops.func = ftrace_graph_func; #ifdef FTRACE_GRAPH_TRAMP_ADDR gops->ops.trampoline = FTRACE_GRAPH_TRAMP_ADDR; #endif