From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933418AbaKSX3Z (ORCPT ); Wed, 19 Nov 2014 18:29:25 -0500 Received: from cdptpa-outbound-snat.email.rr.com ([107.14.166.229]:44218 "EHLO cdptpa-oedge-vip.email.rr.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1756777AbaKSX1N (ORCPT ); Wed, 19 Nov 2014 18:27:13 -0500 Message-Id: <20141119232710.857378973@goodmis.org> User-Agent: quilt/0.61-1 Date: Wed, 19 Nov 2014 18:26:42 -0500 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Ingo Molnar , Andrew Morton , Petr Mladek Subject: [for-next][PATCH 10/18] tracing: Have branch tracer use trace_handle_return() helper function References: <20141119232632.737569526@goodmis.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Disposition: inline; filename=0010-tracing-Have-branch-tracer-use-trace_handle_return-h.patch X-RR-Connecting-IP: 107.14.168.142:25 X-Cloudmark-Score: 0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "Steven Rostedt (Red Hat)" The branch tracer should not be checking the trace_seq_printf() return value as that will soon be void. There's a new trace_handle_return() helper function that will return TRACE_TYPE_PARTIAL_LINE if the trace_seq overflowed and TRACE_TYPE_HANDLED otherwise. Reviewed-by: Petr Mladek Signed-off-by: Steven Rostedt --- kernel/trace/trace_branch.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/kernel/trace/trace_branch.c b/kernel/trace/trace_branch.c index a3916f68a1c7..7d6e2afde669 100644 --- a/kernel/trace/trace_branch.c +++ b/kernel/trace/trace_branch.c @@ -151,14 +151,13 @@ static enum print_line_t trace_branch_print(struct trace_iterator *iter, trace_assign_type(field, iter->ent); - if (trace_seq_printf(&iter->seq, "[%s] %s:%s:%d\n", - field->correct ? " ok " : " MISS ", - field->func, - field->file, - field->line)) - return TRACE_TYPE_PARTIAL_LINE; - - return TRACE_TYPE_HANDLED; + trace_seq_printf(&iter->seq, "[%s] %s:%s:%d\n", + field->correct ? " ok " : " MISS ", + field->func, + field->file, + field->line); + + return trace_handle_return(&iter->seq); } static void branch_print_header(struct seq_file *s) -- 2.1.1