X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fkernel-consumer.c;h=c5a3130bf152ba779dd854ae482278dfe1e245ac;hb=2198c1e1b48c9c98f17cce24adde8408b5cd1c64;hp=4153612746f90c84780b208b94ce2ce731126217;hpb=601262d65a9ccd90198558639ef2a73cda4230e1;p=lttng-tools.git

diff --git a/src/bin/lttng-sessiond/kernel-consumer.c b/src/bin/lttng-sessiond/kernel-consumer.c
index 415361274..c5a3130bf 100644
--- a/src/bin/lttng-sessiond/kernel-consumer.c
+++ b/src/bin/lttng-sessiond/kernel-consumer.c
@@ -48,6 +48,10 @@ static char *create_channel_path(struct consumer_output *consumer,
 			goto error;
 		}
 		pathname = strndup(tmp_path, sizeof(tmp_path));
+		if (!pathname) {
+			PERROR("strndup");
+			goto error;
+		}
 
 		/* Create directory */
 		ret = run_as_mkdir_recursive(pathname, S_IRWXU | S_IRWXG, uid, gid);
@@ -65,6 +69,10 @@ static char *create_channel_path(struct consumer_output *consumer,
 			goto error;
 		}
 		pathname = strndup(tmp_path, sizeof(tmp_path));
+		if (!pathname) {
+			PERROR("strndup");
+			goto error;
+		}
 		DBG3("Kernel network consumer subdir path: %s", pathname);
 	}
 
@@ -99,13 +107,13 @@ int kernel_consumer_add_channel(struct consumer_socket *sock,
 
 	if (monitor) {
 		pathname = create_channel_path(consumer, session->uid, session->gid);
-		if (!pathname) {
-			ret = -1;
-			goto error;
-		}
 	} else {
 		/* Empty path. */
-		pathname = "";
+		pathname = strdup("");
+	}
+	if (!pathname) {
+		ret = -1;
+		goto error;
 	}
 
 	/* Prep channel message structure */
@@ -136,6 +144,7 @@ int kernel_consumer_add_channel(struct consumer_socket *sock,
 	health_code_update();
 
 error:
+	free(pathname);
 	return ret;
 }
 
@@ -162,13 +171,13 @@ int kernel_consumer_add_metadata(struct consumer_socket *sock,
 
 	if (monitor) {
 		pathname = create_channel_path(consumer, session->uid, session->gid);
-		if (!pathname) {
-			ret = -1;
-			goto error;
-		}
 	} else {
 		/* Empty path. */
-		pathname = "";
+		pathname = strdup("");
+	}
+	if (!pathname) {
+		ret = -1;
+		goto error;
 	}
 
 	/* Prep channel message structure */
@@ -215,6 +224,7 @@ int kernel_consumer_add_metadata(struct consumer_socket *sock,
 	health_code_update();
 
 error:
+	free(pathname);
 	return ret;
 }
 
@@ -371,14 +381,11 @@ int kernel_consumer_send_session(struct consumer_socket *sock,
 
 	DBG("Sending session stream to kernel consumer");
 
-	if (session->metadata_stream_fd >= 0) {
+	if (session->metadata_stream_fd >= 0 && session->metadata) {
 		ret = kernel_consumer_add_metadata(sock, session, monitor);
 		if (ret < 0) {
 			goto error;
 		}
-
-		/* Flag that at least the metadata has been sent to the consumer. */
-		session->consumer_fds_sent = 1;
 	}
 
 	/* Send channel and streams of it */
@@ -402,6 +409,7 @@ int kernel_consumer_send_session(struct consumer_socket *sock,
 
 	DBG("Kernel consumer FDs of metadata and channel streams sent");
 
+	session->consumer_fds_sent = 1;
 	return 0;
 
 error:
@@ -419,6 +427,7 @@ int kernel_consumer_destroy_channel(struct consumer_socket *socket,
 
 	DBG("Sending kernel consumer destroy channel key %d", channel->fd);
 
+	memset(&msg, 0, sizeof(msg));
 	msg.cmd_type = LTTNG_CONSUMER_DESTROY_CHANNEL;
 	msg.u.destroy_channel.key = channel->fd;
 
@@ -447,6 +456,7 @@ int kernel_consumer_destroy_metadata(struct consumer_socket *socket,
 
 	DBG("Sending kernel consumer destroy channel key %d", metadata->fd);
 
+	memset(&msg, 0, sizeof(msg));
 	msg.cmd_type = LTTNG_CONSUMER_DESTROY_CHANNEL;
 	msg.u.destroy_channel.key = metadata->fd;