From 8579a107a6490511bbe35d6f0be5be5b8b697775 Mon Sep 17 00:00:00 2001 From: "Steven Rostedt (Red Hat)" Date: Wed, 12 Nov 2014 17:26:57 -0500 Subject: [PATCH] tracing/uprobes: Do not use return values of trace_seq_printf() The functions trace_seq_printf() and friends will soon no longer have return values. Using trace_seq_has_overflowed() and trace_handle_return() should be used instead. Link: http://lkml.kernel.org/r/20141114011411.693008134@goodmis.org Link: http://lkml.kernel.org/r/20141115050602.333705855@goodmis.org Reviewed-by: Masami Hiramatsu Acked-by: Srikar Dronamraju Acked-by: Namhyung Kim Signed-off-by: Steven Rostedt --- kernel/trace/trace_uprobe.c | 23 ++++++++++------------- 1 file changed, 10 insertions(+), 13 deletions(-) diff --git a/kernel/trace/trace_uprobe.c b/kernel/trace/trace_uprobe.c index e35327c787f7..fd76f8e108ef 100644 --- a/kernel/trace/trace_uprobe.c +++ b/kernel/trace/trace_uprobe.c @@ -852,16 +852,14 @@ 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); } @@ -869,14 +867,13 @@ 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_putc(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, -- 2.20.1