linux-kernel - [PATCH] tools/virtio: pipe assertion in vring

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Date: Mon, 27 May 2024 16:13:31 +0900
From: yskelg@...il.com
To: "Michael S. Tsirkin" <mst@...hat.com>,
	Jason Wang <jasowang@...hat.com>,
	Xuan Zhuo <xuanzhuo@...ux.alibaba.com>,
	Eugenio Pérez <eperezma@...hat.com>
Cc: skhan@...uxfoundation.org,
	Austin Kim <austindh.kim@...il.com>,
	shjy180909@...il.com,
	virtualization@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	linux-kernel-mentees@...ts.linuxfoundation.org,
	Yunseong Kim <yskelg@...il.com>
Subject: [PATCH] tools/virtio: pipe assertion in vring_test.c

From: Yunseong Kim <yskelg@...il.com>

The virtio_device need to fail checking when create the geust/host pipe.

Signed-off-by: Yunseong Kim <yskelg@...il.com>
---
 tools/virtio/vringh_test.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/virtio/vringh_test.c b/tools/virtio/vringh_test.c
index 98ff808d6f0c..b1af8807c02a 100644
--- a/tools/virtio/vringh_test.c
+++ b/tools/virtio/vringh_test.c
@@ -161,8 +161,8 @@ static int parallel_test(u64 features,
 	host_map = mmap(NULL, mapsize, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
 	guest_map = mmap(NULL, mapsize, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0);
 
-	pipe(to_guest);
-	pipe(to_host);
+	assert(pipe(to_guest) == 0);
+	assert(pipe(to_host) == 0);
 
 	CPU_ZERO(&cpu_set);
 	find_cpus(&first_cpu, &last_cpu);
-- 
2.34.1