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Diffstat (limited to 'arch/x86/kernel/ftrace.c')
-rw-r--r--arch/x86/kernel/ftrace.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/x86/kernel/ftrace.c b/arch/x86/kernel/ftrace.c
index 1a5b8f8cb3c..adba8e9a427 100644
--- a/arch/x86/kernel/ftrace.c
+++ b/arch/x86/kernel/ftrace.c
@@ -484,14 +484,16 @@ void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr)
: "memory"
);
- if (WARN_ON(faulted)) {
- unregister_ftrace_graph();
+ if (unlikely(faulted)) {
+ ftrace_graph_stop();
+ WARN_ON(1);
return;
}
- if (WARN_ON(!__kernel_text_address(old))) {
- unregister_ftrace_graph();
+ if (unlikely(!__kernel_text_address(old))) {
+ ftrace_graph_stop();
*parent = old;
+ WARN_ON(1);
return;
}