Bug 845429: Cast a known-nonnegative index to be unsigned for comparison vs. nsTArray::Length(), in nsDocShell::GetChildAt. r=tbsaunde

2013-02-26 14:09:55 -08:00
parent 3648c8a246
commit f058bfc7d1
1 changed files with 1 additions and 2 deletions
--- a/docshell/base/nsDocShell.cpp
+++ b/docshell/base/nsDocShell.cpp
@@ -3597,8 +3597,7 @@ nsDocShell::GetChildAt(int32_t aIndex, nsIDocShellTreeItem ** aChild)
 #ifdef DEBUG
    if (aIndex < 0) {
      NS_WARNING("Negative index passed to GetChildAt");
-    }
-    else if (aIndex >= mChildList.Length()) {
+    } else if (static_cast<uint32_t>(aIndex) >= mChildList.Length()) {
      NS_WARNING("Too large an index passed to GetChildAt");
    }
 #endif