tree e984ac858a4d690e3270343cfa3defa676cdb59a
parent 06b2bf2f14840ca6802cf80fcfd8256616094f02
author Tom Bergan <tombergan@google.com> 1495816934 -0700
committer Brad Fitzpatrick <bradfitz@golang.org> 1495824320 +0000

http2: fix nil dereference after Read completes with an error

Case happens if Read is called after it has already returned an error
previously. Verified that the new TestPipeCloseWithError test fails
before this change but passes after.

Updates golang/go#20501

Change-Id: I636fbb194f2d0019b0722556cc25a88da2d18e13
Reviewed-on: https://go-review.googlesource.com/44330
Run-TryBot: Tom Bergan <tombergan@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>