Virtualization - Jan 2022 - [PATCH AUTOSEL 4.14 4/4] vhost/test: fix memory leak of vhost virtqueues

From: Xianting Tian <xianting.tian at linux.alibaba.com>

[ Upstream commit 080063920777af65105e5953e2851e036376e3ea ]

We need free the vqs in .release(), which are allocated in .open().

Signed-off-by: Xianting Tian <xianting.tian at linux.alibaba.com>
Link: https://lore.kernel.org/r/20211228030924.3468439-1-xianting.tian at
linux.alibaba.com
Signed-off-by: Michael S. Tsirkin <mst at redhat.com>
Acked-by: Jason Wang <jasowang at redhat.com>
Signed-off-by: Sasha Levin <sashal at kernel.org>
---
 drivers/vhost/test.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/vhost/test.c b/drivers/vhost/test.c
index 682fc58e1f752..3abe6833be88e 100644
--- a/drivers/vhost/test.c
+++ b/drivers/vhost/test.c
@@ -166,6 +166,7 @@ static int vhost_test_release(struct inode *inode, struct
file *f)
 	/* We do an extra flush before freeing memory,
 	 * since jobs can re-queue themselves. */
 	vhost_test_flush(n);
+	kfree(n->dev.vqs);
 	kfree(n);
 	return 0;
 }
-- 
2.34.1