From: Jérémie Galarneau <jeremie.galarneau@efficios.com>
Date: Sat, 5 Sep 2015 19:35:42 +0000 (-0400)
Subject: Fix: Buggy string comparison in ust registry ht_match_event
X-Git-Tag: v2.6.1~23
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=c07b43b4a3bf94c8ea67261bd04a04607c4d3b2b;p=lttng-tools.git

Fix: Buggy string comparison in ust registry ht_match_event

The second strncmp compares the first "strlen(event->signature) != 0"
characters of the event signatures because of a missing parenthesis.

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
---

diff --git a/src/bin/lttng-sessiond/ust-registry.c b/src/bin/lttng-sessiond/ust-registry.c
index dc494161c..787f5b869 100644
--- a/src/bin/lttng-sessiond/ust-registry.c
+++ b/src/bin/lttng-sessiond/ust-registry.c
@@ -42,13 +42,13 @@ static int ht_match_event(struct cds_lfht_node *node, const void *_key)
 	key = _key;
 
 	/* It has to be a perfect match. */
-	if (strncmp(event->name, key->name, sizeof(event->name)) != 0) {
+	if (strncmp(event->name, key->name, sizeof(event->name))) {
 		goto no_match;
 	}
 
 	/* It has to be a perfect match. */
 	if (strncmp(event->signature, key->signature,
-				strlen(event->signature) != 0)) {
+			strlen(event->signature))) {
 		goto no_match;
 	}