diff options
| -rw-r--r-- | arch/s390/kernel/ftrace.c | 16 |
1 files changed, 2 insertions, 14 deletions
diff --git a/arch/s390/kernel/ftrace.c b/arch/s390/kernel/ftrace.c index 5ae1bf6167bf..0b6e62d1d8b8 100644 --- a/arch/s390/kernel/ftrace.c +++ b/arch/s390/kernel/ftrace.c @@ -290,26 +290,14 @@ NOKPROBE_SYMBOL(prepare_ftrace_return); */ int ftrace_enable_ftrace_graph_caller(void) { - int rc; - /* Expect brc 0xf,... */ - rc = ftrace_patch_branch_mask(ftrace_graph_caller, 0xa7f4, false); - if (rc) - return rc; - text_poke_sync_lock(); - return 0; + return ftrace_patch_branch_mask(ftrace_graph_caller, 0xa7f4, false); } int ftrace_disable_ftrace_graph_caller(void) { - int rc; - /* Expect brc 0x0,... */ - rc = ftrace_patch_branch_mask(ftrace_graph_caller, 0xa704, true); - if (rc) - return rc; - text_poke_sync_lock(); - return 0; + return ftrace_patch_branch_mask(ftrace_graph_caller, 0xa704, true); } #endif /* CONFIG_FUNCTION_GRAPH_TRACER */ |