From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Mon, 6 Apr 2015 16:16:11 +0000 (-0400)
Subject: Fix: zero memory passed to create channel kernel ioctl
X-Git-Tag: v2.5.5~27
X-Git-Url: http://git.liburcu.org/?p=lttng-tools.git;a=commitdiff_plain;h=388d4b5b9c345fdd01793ccb65a8c43a5862bc15

Fix: zero memory passed to create channel kernel ioctl

Valgrind complains about uninitialized memory passed to ioctl.

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
---

diff --git a/src/common/kernel-ctl/kernel-ctl.c b/src/common/kernel-ctl/kernel-ctl.c
index d153a1cff..e71d25f4a 100644
--- a/src/common/kernel-ctl/kernel-ctl.c
+++ b/src/common/kernel-ctl/kernel-ctl.c
@@ -108,6 +108,7 @@ int kernctl_create_channel(int fd, struct lttng_channel_attr *chops)
 {
 	struct lttng_kernel_channel channel;
 
+	memset(&channel, 0, sizeof(channel));
 	if (lttng_kernel_use_old_abi) {
 		struct lttng_kernel_old_channel old_channel;