From: SeokYeon Hwang <syeon.hwang@samsung.com>
Date: Mon, 19 Oct 2015 04:57:24 +0000 (+0900)
Subject: coroutine: co->fiber has not to be null
X-Git-Tag: TizenStudio_2.0_p2.3.2~215
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8ef3b80ef6e5283c5b4f5c6a6f98d3b91db696ae;p=sdk%2Femulator%2Fqemu.git

coroutine: co->fiber has not to be null

CreateFiber() will be return NULL when it fails. If co->fiber is null,
SwitchToFiber() aborts with C0000005 and it corrupts stack that make
hard to find causes. So it is better to abort when CreateFiber()
returns NULL.

Change-Id: Ifdc36404ce523cee842fd486bdbe071e58b7d7b3
Signed-off-by: SeokYeon Hwang <syeon.hwang@samsung.com>
---

diff --git a/coroutine-win32.c b/coroutine-win32.c
index 17ace37..8941e03 100644
--- a/coroutine-win32.c
+++ b/coroutine-win32.c
@@ -75,6 +75,9 @@ Coroutine *qemu_coroutine_new(void)
 
     co = g_malloc0(sizeof(*co));
     co->fiber = CreateFiber(stack_size, coroutine_trampoline, &co->base);
+
+    g_assert(co->fiber);
+
     return &co->base;
 }