Note find_ust_app_context must be called with RCU read lock

[lttng-tools.git] / src / bin / lttng-sessiond / ust-app.c

diff --git a/src/bin/lttng-sessiond/ust-app.c b/src/bin/lttng-sessiond/ust-app.c
index 7e4bf94051028f7c361749f0a162a4baee8e53b4..132bde1bd8943053da78aa5dddc3224bbf9f1d71 100644 (file)
--- a/src/bin/lttng-sessiond/ust-app.c
+++ b/src/bin/lttng-sessiond/ust-app.c
@@ -16,6 +16,7 @@
  */
 
 #define _GNU_SOURCE
+#define _LGPL_SOURCE
 #include <errno.h>
 #include <inttypes.h>
 #include <pthread.h>
@@ -1471,27 +1472,6 @@ int create_ust_event(struct ust_app *app, struct ust_app_session *ua_sess,
                        }
                        goto error;
                }
-       } else {
-               ret = disable_ust_event(app, ua_sess, ua_event);
-               if (ret < 0) {
-                       /*
-                        * If we hit an EPERM, something is wrong with our disable call. If
-                        * we get an EEXIST, there is a problem on the tracer side since we
-                        * just created it.
-                        */
-                       switch (ret) {
-                       case -LTTNG_UST_ERR_PERM:
-                               /* Code flow problem */
-                               assert(0);
-                       case -LTTNG_UST_ERR_EXIST:
-                               /* It's OK for our use case. */
-                               ret = 0;
-                               break;
-                       default:
-                               break;
-                       }
-                       goto error;
-               }
        }
 
 error:
@@ -1989,6 +1969,7 @@ no_match:
 /*
  * Lookup for an ust app context from an lttng_ust_context.
  *
+ * Must be called while holding RCU read side lock.
  * Return an ust_app_ctx object or NULL on error.
  */
 static