Bug 1535800 - Part 1: Handle a null mSessionHistory in ResumeRedirectedLoad, r=qdot

Differential Revision: https://phabricator.services.mozilla.com/D30558
2019-05-09 21:07:41 +00:00
parent 26ae6f2c0b
commit 672d5b4855
1 changed files with 1 additions and 1 deletions
--- a/docshell/base/nsDocShell.cpp
+++ b/docshell/base/nsDocShell.cpp
@@ -13150,7 +13150,7 @@ nsDocShell::ResumeRedirectedLoad(uint64_t aIdentifier, int32_t aHistoryIndex) {

        // If we're performing a history load, locate the correct history entry,
        // and set the relevant bits on our loadState.
-        if (aHistoryIndex >= 0) {
+        if (aHistoryIndex >= 0 && self->mSessionHistory) {
          nsCOMPtr<nsISHistory> legacySHistory =
              self->mSessionHistory->LegacySHistory();