surfaceflinger: fix a release fence leak

We leak release fence fds when we believe hwcomposer2 gives us any
invalid layer and return early.

Bug: 38151478
Test: boots
Change-Id: I299721eca8bc7927052170fe87ee51e9b91006aa

parent 4052245c

services/surfaceflinger/DisplayHardware/HWC2.cpp

+3 −0

Original line number	Diff line number	Diff line
		@@ -917,6 +917,9 @@ Error Display::getReleaseFences(
		} else {
		ALOGE("getReleaseFences: invalid layer %" PRIu64
		" found on display %" PRIu64, layerIds[element], mId);
		for (; element < numElements; ++element) {
		close(fenceFds[element]);
		}
		return Error::BadLayer;
		}
		}