tools/virtio: creating pipe assertion in vringh_test

parallel_test() function in vringh_test needs to verify
the creation of the guest/host pipe.

Signed-off-by: Yunseong Kim <yskelg@gmail.com>
Message-Id: <20240624174905.27980-2-yskelg@gmail.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

diff --git a/tools/virtio/vringh_test.c b/tools/virtio/vringh_test.c
index 98ff808d6f0c2d170d844f8a395cb28075b7d0eb..43d3a6aa1dcff66ba56f2893ace1e478f52eba77 100644 (file)
--- a/tools/virtio/vringh_test.c
+++ b/tools/virtio/vringh_test.c
@@ -139,7 +139,7 @@ static int parallel_test(u64 features,
                         bool fast_vringh)
 {
        void *host_map, *guest_map;
-       int fd, mapsize, to_guest[2], to_host[2];
+       int pipe_ret, fd, mapsize, to_guest[2], to_host[2];
        unsigned long xfers = 0, notifies = 0, receives = 0;
        unsigned int first_cpu, last_cpu;
        cpu_set_t cpu_set;
@@ -161,8 +161,11 @@ 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);
+       pipe_ret = pipe(to_guest);
+       assert(!pipe_ret);
+
+       pipe_ret = pipe(to_host);
+       assert(!pipe_ret);
 
        CPU_ZERO(&cpu_set);
        find_cpus(&first_cpu, &last_cpu);