Commit 210903b7 authored by Alex Henrie's avatar Alex Henrie
Browse files

Bug 1730379 - Check mmap return value in ScopedMMap constructor. r=nika 

Differential Revision: https://phabricator.services.mozilla.com/D125335
parent 393eadce

xpcom/glue/FileUtils.cpp

+3 −0
Original line number Diff line number Diff line
@@ -274,6 +274,9 @@ class ScopedMMap { 
    }

    size = st.st_size;

    buf = (char*)mmap(nullptr, size, PROT_READ, MAP_PRIVATE, fd, 0);

    if (buf == MAP_FAILED) {

      buf = nullptr;

    }

  }

  ~ScopedMMap() {

    if (buf) {