Fix: validate buffer type for UST channel creation

Fixes #499

Signed-off-by: David Goulet <dgoulet@efficios.com>

diff --git a/src/bin/lttng-sessiond/channel.c b/src/bin/lttng-sessiond/channel.c
index 1621bc626bba7d72b52098b8c1798ee859d80c70..bb5b3d1de32cc00c19cba668a060d26982dc774f 100644 (file)
--- a/src/bin/lttng-sessiond/channel.c
+++ b/src/bin/lttng-sessiond/channel.c
@@ -282,6 +282,16 @@ int channel_ust_create(struct ltt_ust_session *usess,
                goto error;
        }
 
+       /* Validate buffer type. */
+       switch (type) {
+       case LTTNG_BUFFER_PER_PID:
+       case LTTNG_BUFFER_PER_UID:
+               break;
+       default:
+               ret = LTTNG_ERR_BUFFER_NOT_SUPPORTED;
+               goto error;
+       }
+
        /* Create UST channel */
        uchan = trace_ust_create_channel(attr, usess->pathname);
        if (uchan == NULL) {