framescheduler: dont if check deleted weakpointer (#11063)

if m_monitor is destroyed the doOnReadable will eventually hit UB on
destruction if checking a destroyed m_monitor. acctually use the
captured mon weak pointer.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/helpers/MonitorFrameScheduler.cpp b/src/helpers/MonitorFrameScheduler.cpp
index 0dc79159..d05c9694 100644
--- a/src/helpers/MonitorFrameScheduler.cpp
+++ b/src/helpers/MonitorFrameScheduler.cpp
@@ -103,7 +103,7 @@ void CMonitorFrameScheduler::onFrame() {
 void CMonitorFrameScheduler::onFinishRender() {
     m_sync = CEGLSync::create(); // this destroys the old sync
     g_pEventLoopManager->doOnReadable(m_sync->fd().duplicate(), [this, mon = m_monitor] {
-        if (!m_monitor) // might've gotten destroyed
+        if (!mon) // might've gotten destroyed
             return;
         onSyncFired();
     });