jmuehlner commented on code in PR #459:
URL: https://github.com/apache/guacamole-server/pull/459#discussion_r1323660710


##########
src/libguac/client.c:
##########
@@ -185,6 +185,12 @@ static void guac_client_promote_pending_users(union sigval 
data) {
     /* Acquire the lock for reading and modifying the list of pending users */
     guac_rwlock_acquire_write_lock(&(client->__pending_users_lock));
 
+    /* Skip user promotion entirely if there's no pending users */
+    if (client->__pending_users == NULL) {
+        guac_rwlock_release_lock(&(client->__pending_users_lock));
+        goto promotion_complete;

Review Comment:
   Good call - it's done.



##########
src/libguac/client.c:
##########
@@ -185,6 +185,12 @@ static void guac_client_promote_pending_users(union sigval 
data) {
     /* Acquire the lock for reading and modifying the list of pending users */
     guac_rwlock_acquire_write_lock(&(client->__pending_users_lock));
 
+    /* Skip user promotion entirely if there's no pending users */
+    if (client->__pending_users == NULL) {
+        guac_rwlock_release_lock(&(client->__pending_users_lock));

Review Comment:
   Nope!



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