tree fa8980f568ead12d972e8d6f037a529a956a7bf7
parent a19c759bc46528f897f5aaacfc1d78a461b917e8
author Corentin Wallez <cwallez@chromium.org> 1546595680 +0000
committer Commit Bot service account <commit-bot@chromium.org> 1546595680 +0000

WireServer: check buffer exists before sending the map callback

The client might have asked for the buffer to be destroyed, but the
reference to the buffer is still alive because it is internally
referenced by Dawn.

BUG=chromium:918254

Change-Id: Id7d2de891eba98e3cf15e77730f66f64d9a3b9f9
Reviewed-on: https://dawn-review.googlesource.com/c/3622
Reviewed-by: Austin Eng <enga@chromium.org>
Reviewed-by: Kai Ninomiya <kainino@chromium.org>
Commit-Queue: Corentin Wallez <cwallez@chromium.org>