Fix: prio context NULL pointer exception

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

diff --git a/src/lttng-events.c b/src/lttng-events.c
index 827c9d4c3cae839e859c6fb9e4397b11e882d988..08884410f20971781bc0305d1e63f92a86578620 100644 (file)
--- a/src/lttng-events.c
+++ b/src/lttng-events.c
@@ -47,7 +47,8 @@
 #include <ringbuffer/backend.h>
 #include <ringbuffer/frontend.h>
 
-#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,16,0))
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,16,0) \
+       || LTTNG_RHEL_KERNEL_RANGE(5,14,0,162,0,0, 5,15,0,0,0,0))
 #include <linux/stdarg.h>
 #else
 #include <stdarg.h>
@@ -101,15 +102,9 @@ void synchronize_trace(void)
        synchronize_sched();
 #endif
 
-#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,4,0))
 #ifdef CONFIG_PREEMPT_RT_FULL
        synchronize_rcu();
 #endif
-#else /* (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,4,0)) */
-#ifdef CONFIG_PREEMPT_RT
-       synchronize_rcu();
-#endif
-#endif /* (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(3,4,0)) */
 }
 
 void lttng_lock_sessions(void)
@@ -4153,6 +4148,9 @@ static int __init lttng_events_init(void)
        int ret;
 
        ret = wrapper_get_pfnblock_flags_mask_init();
+       if (ret)
+               return ret;
+       ret = wrapper_task_prio_init();
        if (ret)
                return ret;
        ret = lttng_probes_init();