Disk cache: Small adjustment so that we continue with

the process of creating a new entry after we detect a
dirty entry with a partial hash collision.

Detected with stress_cache.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/3404013

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@60376 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 4 insertions, 2 deletions

diff --git a/net/disk_cache/backend_impl.cc b/net/disk_cache/backend_impl.cc
index 5a762af..1446711 100644
--- a/net/disk_cache/backend_impl.cc
+++ b/net/disk_cache/backend_impl.cc
@@ -817,11 +817,13 @@ EntryImpl* BackendImpl::CreateEntryImpl(const std::string& key) {
       return ResurrectEntry(old_entry);
 
     EntryImpl* parent_entry = MatchEntry(key, hash, true);
-    if (!parent_entry) {
+    if (parent_entry) {
+      parent.swap(&parent_entry);
+    } else if (data_->table[hash & mask_]) {
+      // We should have corrected the problem.
       NOTREACHED();
       return NULL;
     }
-    parent.swap(&parent_entry);
   }
 
   int num_blocks;