X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fcmd.c;h=456ddeb77d85fd4d1a6f70ca7116494435a12b5e;hp=5ec65b78637beaf0904a1c32ef1d25377dbcdc11;hb=2223c96f0eecce28fe221eb19de4333156492337;hpb=fdd9eb17f6b6928771744bb40bb2283ce3340033

diff --git a/src/bin/lttng-sessiond/cmd.c b/src/bin/lttng-sessiond/cmd.c
index 5ec65b786..456ddeb77 100644
--- a/src/bin/lttng-sessiond/cmd.c
+++ b/src/bin/lttng-sessiond/cmd.c
@@ -766,6 +766,8 @@ int cmd_disable_channel(struct ltt_session *session, int domain,
 
 	usess = session->ust_session;
 
+	rcu_read_lock();
+
 	switch (domain) {
 	case LTTNG_DOMAIN_KERNEL:
 	{
@@ -810,6 +812,7 @@ int cmd_disable_channel(struct ltt_session *session, int domain,
 	ret = LTTNG_OK;
 
 error:
+	rcu_read_unlock();
 	return ret;
 }
 
@@ -830,6 +833,8 @@ int cmd_enable_channel(struct ltt_session *session,
 
 	DBG("Enabling channel %s for session %s", attr->name, session->name);
 
+	rcu_read_lock();
+
 	switch (domain) {
 	case LTTNG_DOMAIN_KERNEL:
 	{
@@ -898,6 +903,7 @@ int cmd_enable_channel(struct ltt_session *session,
 	}
 
 error:
+	rcu_read_unlock();
 	return ret;
 }
 
@@ -910,6 +916,8 @@ int cmd_disable_event(struct ltt_session *session, int domain,
 {
 	int ret;
 
+	rcu_read_lock();
+
 	switch (domain) {
 	case LTTNG_DOMAIN_KERNEL:
 	{
@@ -968,6 +976,7 @@ int cmd_disable_event(struct ltt_session *session, int domain,
 	ret = LTTNG_OK;
 
 error:
+	rcu_read_unlock();
 	return ret;
 }
 
@@ -979,6 +988,8 @@ int cmd_disable_event_all(struct ltt_session *session, int domain,
 {
 	int ret;
 
+	rcu_read_lock();
+
 	switch (domain) {
 	case LTTNG_DOMAIN_KERNEL:
 	{
@@ -1037,6 +1048,7 @@ int cmd_disable_event_all(struct ltt_session *session, int domain,
 	ret = LTTNG_OK;
 
 error:
+	rcu_read_unlock();
 	return ret;
 }
 
@@ -1126,6 +1138,8 @@ int cmd_enable_event(struct ltt_session *session, int domain,
 	assert(event);
 	assert(channel_name);
 
+	rcu_read_lock();
+
 	switch (domain) {
 	case LTTNG_DOMAIN_KERNEL:
 	{
@@ -1224,6 +1238,7 @@ int cmd_enable_event(struct ltt_session *session, int domain,
 	ret = LTTNG_OK;
 
 error:
+	rcu_read_unlock();
 	return ret;
 }
 
@@ -1240,6 +1255,8 @@ int cmd_enable_event_all(struct ltt_session *session, int domain,
 	assert(session);
 	assert(channel_name);
 
+	rcu_read_lock();
+
 	switch (domain) {
 	case LTTNG_DOMAIN_KERNEL:
 	{
@@ -1371,6 +1388,7 @@ int cmd_enable_event_all(struct ltt_session *session, int domain,
 	ret = LTTNG_OK;
 
 error:
+	rcu_read_unlock();
 	return ret;
 }