Applied 0001-Fix-hang-in-LLFloater-getClosableFloaterFromFocus-2..patch by Makomk Makosen for #763: Possible infinite loop in LLFloater::getClosableFloaterFromFocus

1 files changed, 10 insertions, 0 deletions

diff --git a/linden/indra/llui/llfloater.cpp b/linden/indra/llui/llfloater.cpp
index bb42ca3..58c717a 100644
--- a/linden/indra/llui/llfloater.cpp
+++ b/linden/indra/llui/llfloater.cpp
@@ -1368,6 +1368,7 @@ LLFloater* LLFloater::getClosableFloaterFromFocus()
 
         // The focused floater may not be closable,
         // Find and close a parental floater that is closeable, if any.
+        LLFloater* prev_floater = NULL;
         for(LLFloater* floater_to_close = focused_floater; 
                 NULL != floater_to_close; 
                 floater_to_close = gFloaterView->getParentFloater(floater_to_close))
@@ -1376,6 +1377,15 @@ LLFloater* LLFloater::getClosableFloaterFromFocus()
                 {
                         return floater_to_close;
                 }
+
+                // If floater has as parent root view   
+                // gFloaterView->getParentFloater(floater_to_close) returns
+                // the same floater_to_close, so we need to check this.
+                if (prev_floater == floater_to_close)
+                {
+                        break;
+                }
+                prev_floater = floater_to_close;
         }
 
         return NULL;