linux-kernel - [PATCH 12/15] trace_output.c: adjust conditional expression formatting.

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Date:	Fri,  3 Dec 2010 16:13:26 -0800
From:	David Sharp <dhsharp@...gle.com>
To:	rostedt@...dmis.org, linux-kernel@...r.kernel.org
Cc:	mrubin@...gle.com, David Sharp <dhsharp@...gle.com>
Subject: [PATCH 12/15] trace_output.c: adjust conditional expression formatting.

Formatting change only to improve readability. No code changes except to
introduce intermediate variables.

Signed-off-by: David Sharp <dhsharp@...gle.com>
---
 kernel/trace/trace_output.c |   26 +++++++++++++++-----------
 1 files changed, 15 insertions(+), 11 deletions(-)

diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c
index 02272ba..9e33b1f 100644
--- a/kernel/trace/trace_output.c
+++ b/kernel/trace/trace_output.c
@@ -533,20 +533,24 @@ seq_print_ip_sym(struct trace_seq *s, unsigned long ip, unsigned long sym_flags)
  */
 int trace_print_lat_fmt(struct trace_seq *s, struct trace_entry *entry)
 {
-	int hardirq, softirq;
 	int ret;
-
-	hardirq = entry->flags & TRACE_FLAG_HARDIRQ;
-	softirq = entry->flags & TRACE_FLAG_SOFTIRQ;
+	int hardirq = entry->flags & TRACE_FLAG_HARDIRQ;
+	int softirq = entry->flags & TRACE_FLAG_SOFTIRQ;
+
+	const char irqs_off = 
+		(entry->flags & TRACE_FLAG_IRQS_OFF) ? 'd' :
+		(entry->flags & TRACE_FLAG_IRQS_NOSUPPORT) ? 'X' :
+		'.';
+	const char need_resched =
+		(entry->flags & TRACE_FLAG_NEED_RESCHED) ? 'N' : '.';
+	const char hardsoft_irq =
+		(hardirq && softirq) ? 'H' :
+		hardirq ? 'h' :
+		softirq ? 's' :
+		'.';
 
 	if (!trace_seq_printf(s, "%c%c%c",
-			      (entry->flags & TRACE_FLAG_IRQS_OFF) ? 'd' :
-				(entry->flags & TRACE_FLAG_IRQS_NOSUPPORT) ?
-				  'X' : '.',
-			      (entry->flags & TRACE_FLAG_NEED_RESCHED) ?
-				'N' : '.',
-			      (hardirq && softirq) ? 'H' :
-				hardirq ? 'h' : softirq ? 's' : '.'))
+			      irqs_off, need_resched, hardsoft_irq))
 		return 0;
 
 	if (entry->preempt_count)
-- 
1.7.3.1

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