linux-kernel - [PATCH 15/26] dynamic_debug: drop explicit foo != NULL checks.

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Date:	Fri,  7 Oct 2011 14:33:21 -0600
From:	jim.cromie@...il.com
To:	jbaron@...hat.com
Cc:	greg@...ah.com, joe@...ches.com, bart.vanassche@...il.com,
	linux-kernel@...r.kernel.org, Jim Cromie <jim.cromie@...il.com>
Subject: [PATCH 15/26] dynamic_debug: drop explicit foo != NULL checks.

From: Jim Cromie <jim.cromie@...il.com>

Reduce != NULL relational tests to their 0/1 equivalents.
Done separately to preserve code-move character of previous patch.
No generated code difference.

Signed-off-by: Jim Cromie <jim.cromie@...il.com>
---
 lib/dynamic_debug.c |    8 +++-----
 1 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/lib/dynamic_debug.c b/lib/dynamic_debug.c
index 329e18d..4c8e178 100644
--- a/lib/dynamic_debug.c
+++ b/lib/dynamic_debug.c
@@ -129,20 +129,18 @@ static bool query_matches_callsite(struct _ddebug *dp,
 				const struct ddebug_query *query)
 {
 	/* match against the source filename */
-	if (query->filename != NULL &&
+	if (query->filename &&
 		strcmp(query->filename, dp->filename) &&
 		strcmp(query->filename, basename(dp->filename)) &&
 		strcmp(query->filename, trim_prefix(dp->filename)))
 		return false;
 
 	/* match against the function */
-	if (query->function != NULL &&
-		strcmp(query->function, dp->function))
+	if (query->function && strcmp(query->function, dp->function))
 		return false;
 
 	/* match against the format */
-	if (query->format != NULL &&
-		strstr(dp->format, query->format) == NULL)
+	if (query->format && !strstr(dp->format, query->format))
 		return false;
 
 	/* match against the line number range */
-- 
1.7.4.4

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