diff options
Diffstat (limited to 'arch/s390/kernel/ftrace.c')
-rw-r--r-- | arch/s390/kernel/ftrace.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/kernel/ftrace.c b/arch/s390/kernel/ftrace.c index 51d14fe5eb9a..ca1cabb3a96c 100644 --- a/arch/s390/kernel/ftrace.c +++ b/arch/s390/kernel/ftrace.c | |||
@@ -121,6 +121,8 @@ unsigned long __kprobes prepare_ftrace_return(unsigned long parent, | |||
121 | { | 121 | { |
122 | struct ftrace_graph_ent trace; | 122 | struct ftrace_graph_ent trace; |
123 | 123 | ||
124 | if (unlikely(ftrace_graph_is_dead())) | ||
125 | goto out; | ||
124 | if (unlikely(atomic_read(¤t->tracing_graph_pause))) | 126 | if (unlikely(atomic_read(¤t->tracing_graph_pause))) |
125 | goto out; | 127 | goto out; |
126 | ip = (ip & PSW_ADDR_INSN) - MCOUNT_INSN_SIZE; | 128 | ip = (ip & PSW_ADDR_INSN) - MCOUNT_INSN_SIZE; |