diff options
Diffstat (limited to 'kernel/trace/trace_uprobe.c')
| -rw-r--r-- | kernel/trace/trace_uprobe.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c index 7885ebd23d0c..2a8e8e9c1c75 100644 --- a/kernel/trace/trace_uprobe.c +++ b/kernel/trace/trace_uprobe.c @@ -931,8 +931,8 @@ static void __uprobe_trace_func(struct trace_uprobe *tu, struct trace_event_file *trace_file) { struct uprobe_trace_entry_head *entry; + struct trace_buffer *buffer; struct ring_buffer_event *event; - struct ring_buffer *buffer; void *data; int size, esize; struct trace_event_call *call = trace_probe_event_call(&tu->tp); @@ -1333,8 +1333,15 @@ static void __uprobe_perf_func(struct trace_uprobe *tu, int size, esize; int rctx; - if (bpf_prog_array_valid(call) && !trace_call_bpf(call, regs)) - return; + if (bpf_prog_array_valid(call)) { + u32 ret; + + preempt_disable(); + ret = trace_call_bpf(call, regs); + preempt_enable(); + if (!ret) + return; + } esize = SIZEOF_TRACE_ENTRY(is_ret_probe(tu)); |