Fix: add missing packed attribute to comm. struct.

Fixes #707

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

diff --git a/src/common/sessiond-comm/sessiond-comm.h b/src/common/sessiond-comm/sessiond-comm.h
index bbc7ce5a8e403156e1bedc38ba574ffdccc390ea..87bdfd293b35fec09b0df7a446c65904a3b8184c 100644 (file)
--- a/src/common/sessiond-comm/sessiond-comm.h
+++ b/src/common/sessiond-comm/sessiond-comm.h
@@ -233,7 +233,7 @@ struct lttcomm_session_msg {
                /* Event data */
                struct {
                        char channel_name[LTTNG_SYMBOL_NAME_LEN];
-                       struct lttng_event event;
+                       struct lttng_event event LTTNG_PACKED;
                        /* Length of following filter expression. */
                        uint32_t expression_len;
                        /* Length of following bytecode for filter. */
@@ -250,12 +250,12 @@ struct lttcomm_session_msg {
                } LTTNG_PACKED enable;
                /* Create channel */
                struct {
-                       struct lttng_channel chan;
+                       struct lttng_channel chan LTTNG_PACKED;
                } LTTNG_PACKED channel;
                /* Context */
                struct {
                        char channel_name[LTTNG_SYMBOL_NAME_LEN];
-                       struct lttng_event_context ctx;
+                       struct lttng_event_context ctx LTTNG_PACKED;
                } LTTNG_PACKED context;
                /* Use by register_consumer */
                struct {
@@ -272,18 +272,18 @@ struct lttcomm_session_msg {
                        uint32_t size;
                } LTTNG_PACKED uri;
                struct {
-                       struct lttng_snapshot_output output;
+                       struct lttng_snapshot_output output LTTNG_PACKED;
                } LTTNG_PACKED snapshot_output;
                struct {
                        uint32_t wait;
-                       struct lttng_snapshot_output output;
+                       struct lttng_snapshot_output output LTTNG_PACKED;
                } LTTNG_PACKED snapshot_record;
                struct {
                        uint32_t nb_uri;
                        unsigned int timer_interval;    /* usec */
                } LTTNG_PACKED session_live;
                struct {
-                       struct lttng_save_session_attr attr;
+                       struct lttng_save_session_attr attr; /* struct already packed */
                } LTTNG_PACKED save_session;
        } u;
 } LTTNG_PACKED;