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path: root/kernel/trace/trace_uprobe.c
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Diffstat (limited to 'kernel/trace/trace_uprobe.c')
-rw-r--r--kernel/trace/trace_uprobe.c31
1 files changed, 13 insertions, 18 deletions
diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c
index 3c9b97e6b1f4..8520acc34b18 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:
@@ -553,8 +552,7 @@ error:
return ret;
fail_address_parse:
- if (inode)
- iput(inode);
+ iput(inode);
pr_info("Failed to parse address or file.\n");
@@ -607,7 +605,7 @@ static int probes_seq_show(struct seq_file *m, void *v)
for (i = 0; i < tu->tp.nr_args; i++)
seq_printf(m, " %s=%s", tu->tp.args[i].name, tu->tp.args[i].comm);
- seq_printf(m, "\n");
+ seq_putc(m, '\n');
return 0;
}
@@ -853,16 +851,14 @@ print_uprobe_event(struct trace_iterator *iter, int flags, struct trace_event *e
tu = container_of(event, struct trace_uprobe, tp.call.event);
if (is_ret_probe(tu)) {
- if (!trace_seq_printf(s, "%s: (0x%lx <- 0x%lx)",
- ftrace_event_name(&tu->tp.call),
- entry->vaddr[1], entry->vaddr[0]))
- goto partial;
+ trace_seq_printf(s, "%s: (0x%lx <- 0x%lx)",
+ ftrace_event_name(&tu->tp.call),
+ entry->vaddr[1], entry->vaddr[0]);
data = DATAOF_TRACE_ENTRY(entry, true);
} else {
- if (!trace_seq_printf(s, "%s: (0x%lx)",
- ftrace_event_name(&tu->tp.call),
- entry->vaddr[0]))
- goto partial;
+ trace_seq_printf(s, "%s: (0x%lx)",
+ ftrace_event_name(&tu->tp.call),
+ entry->vaddr[0]);
data = DATAOF_TRACE_ENTRY(entry, false);
}
@@ -870,14 +866,13 @@ print_uprobe_event(struct trace_iterator *iter, int flags, struct trace_event *e
struct probe_arg *parg = &tu->tp.args[i];
if (!parg->type->print(s, parg->name, data + parg->offset, entry))
- goto partial;
+ goto out;
}
- if (trace_seq_puts(s, "\n"))
- return TRACE_TYPE_HANDLED;
+ trace_seq_putc(s, '\n');
-partial:
- return TRACE_TYPE_PARTIAL_LINE;
+ out:
+ return trace_handle_return(s);
}
typedef bool (*filter_func_t)(struct uprobe_consumer *self,
@@ -1292,7 +1287,7 @@ 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);