[PATCH] vduse: missing error code in vduse_init()

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This should return -ENOMEM if alloc_workqueue() fails.  Currently it
returns success.

Fixes: b66219796563 ("vduse: Introduce VDUSE - vDPA Device in Userspace")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
 drivers/vdpa/vdpa_user/vduse_dev.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/vdpa/vdpa_user/vduse_dev.c b/drivers/vdpa/vdpa_user/vduse_dev.c
index 5c25ff6483ad..fcd7de8dd1f2 100644
--- a/drivers/vdpa/vdpa_user/vduse_dev.c
+++ b/drivers/vdpa/vdpa_user/vduse_dev.c
@@ -1593,8 +1593,10 @@ static int vduse_init(void)
 
 	vduse_irq_wq = alloc_workqueue("vduse-irq",
 				WQ_HIGHPRI | WQ_SYSFS | WQ_UNBOUND, 0);
-	if (!vduse_irq_wq)
+	if (!vduse_irq_wq) {
+		ret = -ENOMEM;
 		goto err_wq;
+	}
 
 	ret = vduse_domain_init();
 	if (ret)
-- 
2.20.1

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