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authorOleg Nesterov <oleg@redhat.com>2014-07-15 20:48:24 +0200
committerSteven Rostedt <rostedt@goodmis.org>2014-07-16 14:25:19 -0400
commitede392a75090aab49b01ecd6f7694bb9130ad461 (patch)
treeee0d47b039c05d67cbfb3607cbddaaa713e425a4 /kernel
parentb5d09db5ac02660a358f2ac477e85172929e02c8 (diff)
downloadop-kernel-dev-ede392a75090aab49b01ecd6f7694bb9130ad461.zip
op-kernel-dev-ede392a75090aab49b01ecd6f7694bb9130ad461.tar.gz
tracing/uprobes: Kill the dead TRACE_EVENT_FL_USE_CALL_FILTER logic
alloc_trace_uprobe() sets TRACE_EVENT_FL_USE_CALL_FILTER for unknown reason and this is simply wrong. Fortunately this has no effect because register_uprobe_event() clears call->flags after that. Kill both. This trace_uprobe was kzalloc'ed and we rely on this fact anyway. Link: http://lkml.kernel.org/p/20140715184824.GA20505@redhat.com Signed-off-by: Oleg Nesterov <oleg@redhat.com> Acked-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel')
-rw-r--r--kernel/trace/trace_uprobe.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c
index 3c9b97e..33ff6a2 100644
--- a/kernel/trace/trace_uprobe.c
+++ b/kernel/trace/trace_uprobe.c
@@ -265,7 +265,6 @@ alloc_trace_uprobe(const char *group, const char *event, int nargs, bool is_ret)
if (is_ret)
tu->consumer.ret_handler = uretprobe_dispatcher;
init_trace_uprobe_filter(&tu->filter);
- tu->tp.call.flags |= TRACE_EVENT_FL_USE_CALL_FILTER;
return tu;
error:
@@ -1292,7 +1291,7 @@ static int register_uprobe_event(struct trace_uprobe *tu)
kfree(call->print_fmt);
return -ENODEV;
}
- call->flags = 0;
+
call->class->reg = trace_uprobe_register;
call->data = tu;
ret = trace_add_event_call(call);
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