tree df5e8bc27925d95451d6468b8ac52784cf9a13a8
parent 07e7806177c92dede456874e74d4c92d8dc224b2
author Adam Langley <agl@google.com> 1472228576 -0700
committer CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org> 1472233361 +0000

Don't crash when a session callback returns NULL.

4aa154e08fdc0a0c57df9e19ea3a303a2b99aed0 changed the code to assume that
a session callback will zero the |copy| out-arg before returning NULL.
In practice this doesn't always happen and we should be robust against
it.

Change-Id: I0fd14969df836e0fa4f68ded8648fea8094ff9d7
Reviewed-on: https://boringssl-review.googlesource.com/10640
Reviewed-by: David Benjamin <davidben@google.com>
Commit-Queue: Adam Langley <agl@google.com>
CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>