diff options
Diffstat (limited to 'arch/x86/events')
| -rw-r--r-- | arch/x86/events/core.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/x86/events/core.c b/arch/x86/events/core.c index d0efb5cb1b00..477dc38b62b1 100644 --- a/arch/x86/events/core.c +++ b/arch/x86/events/core.c @@ -2251,7 +2251,7 @@ void arch_perf_update_userpage(struct perf_event *event, * callchain support */ -static int backtrace_stack(void *data, char *name) +static int backtrace_stack(void *data, const char *name) { return 0; } @@ -2277,7 +2277,8 @@ perf_callchain_kernel(struct perf_callchain_entry_ctx *entry, struct pt_regs *re return; } - perf_callchain_store(entry, regs->ip); + if (perf_callchain_store(entry, regs->ip)) + return; dump_trace(NULL, regs, NULL, 0, &backtrace_ops, entry); } |