X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fkernel-consumer.c;h=83771f2d75c8896d142a705066410c50023acaf4;hb=03e431550191df8609f921c7b4054c57ee4644d8;hp=89c8760d2673bbda82f20ef2b308b95f7ec3d17f;hpb=4ce9ff516705a70c0063b55c9ca976cd672770e2;p=lttng-tools.git diff --git a/src/bin/lttng-sessiond/kernel-consumer.c b/src/bin/lttng-sessiond/kernel-consumer.c index 89c8760d2..83771f2d7 100644 --- a/src/bin/lttng-sessiond/kernel-consumer.c +++ b/src/bin/lttng-sessiond/kernel-consumer.c @@ -16,6 +16,7 @@ */ #define _GNU_SOURCE +#define _LGPL_SOURCE #include #include #include @@ -48,11 +49,15 @@ 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); if (ret < 0) { - if (ret != -EEXIST) { + if (errno != EEXIST) { ERR("Trace directory creation error"); goto error; } @@ -65,6 +70,10 @@ 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); } @@ -99,14 +108,14 @@ 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 = strdup(""); } + if (!pathname) { + ret = -1; + goto error; + } /* Prep channel message structure */ consumer_init_channel_comm_msg(&lkm, @@ -163,14 +172,14 @@ 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 = strdup(""); } + if (!pathname) { + ret = -1; + goto error; + } /* Prep channel message structure */ consumer_init_channel_comm_msg(&lkm, @@ -373,7 +382,7 @@ 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;