Fix: statedump missing check for NULL namespace

[lttng-modules.git] / lttng-events.c

diff --git a/lttng-events.c b/lttng-events.c
index 9d933935dbf87a6fa6707ee88b9d415df79dfbdd..168c3b26b9d62d5195449550f06cc2fcdddd29a5 100644 (file)
--- a/lttng-events.c
+++ b/lttng-events.c
@@ -30,6 +30,7 @@
 #include "wrapper/uuid.h"
 #include "wrapper/vmalloc.h"   /* for wrapper_vmalloc_sync_all() */
 #include "wrapper/random.h"
+#include "wrapper/tracepoint.h"
 #include "lttng-events.h"
 #include "lttng-tracer.h"
 
@@ -292,7 +293,7 @@ struct lttng_event *lttng_event_create(struct lttng_channel *chan,
        int ret;
 
        mutex_lock(&sessions_mutex);
-       if (chan->free_event_id == -1UL)
+       if (chan->free_event_id == -1U)
                goto full;
        /*
         * This is O(n^2) (for each event, the loop is called at event
@@ -316,7 +317,7 @@ struct lttng_event *lttng_event_create(struct lttng_channel *chan,
                event->desc = lttng_event_get(event_param->name);
                if (!event->desc)
                        goto register_error;
-               ret = tracepoint_probe_register(event_param->name,
+               ret = kabi_2635_tracepoint_probe_register(event_param->name,
                                event->desc->probe_callback,
                                event);
                if (ret)
@@ -420,7 +421,7 @@ int _lttng_event_unregister(struct lttng_event *event)
 
        switch (event->instrumentation) {
        case LTTNG_KERNEL_TRACEPOINT:
-               ret = tracepoint_probe_unregister(event->desc->name,
+               ret = kabi_2635_tracepoint_probe_unregister(event->desc->name,
                                                  event->desc->probe_callback,
                                                  event);
                if (ret)
@@ -961,6 +962,7 @@ int _lttng_session_metadata_statedump(struct lttng_session *session)
 
        ret = lttng_metadata_printf(session,
                "env {\n"
+               "       hostname = \"%s\";\n"
                "       domain = \"kernel\";\n"
                "       sysname = \"%s\";\n"
                "       kernel_release = \"%s\";\n"
@@ -970,6 +972,7 @@ int _lttng_session_metadata_statedump(struct lttng_session *session)
                "       tracer_minor = %d;\n"
                "       tracer_patchlevel = %d;\n"
                "};\n\n",
+               current->nsproxy->uts_ns->name.nodename,
                utsname()->sysname,
                utsname()->release,
                utsname()->version,