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: v2.7.0-rc1~48
X-Git-Url: https://git.lttng.org./?a=commitdiff_plain;h=c74101efbbb06ea591b5c989afa3714689e843bb;p=lttng-tools.git

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 28ed06cbd..18cd95529 100644
--- a/src/common/kernel-ctl/kernel-ctl.c
+++ b/src/common/kernel-ctl/kernel-ctl.c
@@ -112,6 +112,7 @@ 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;