Fix the following coccicheck warning:

drivers/virt/fsl_hypervisor.c:662:5-8: Unneeded variable: "ret".
Return "0" on line 679.

Signed-off-by: Guo Zhengkui <guozhengkui@vivo.com>
---
 drivers/virt/fsl_hypervisor.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/virt/fsl_hypervisor.c b/drivers/virt/fsl_hypervisor.c
index e49bec8bc8a4..07035249a5e1 100644
--- a/drivers/virt/fsl_hypervisor.c
+++ b/drivers/virt/fsl_hypervisor.c
@@ -659,7 +659,6 @@ static int fsl_hv_open(struct inode *inode, struct file *filp)
 {
 	struct doorbell_queue *dbq;
 	unsigned long flags;
-	int ret = 0;
 
 	dbq = kzalloc(sizeof(struct doorbell_queue), GFP_KERNEL);
 	if (!dbq) {
@@ -676,7 +675,7 @@ static int fsl_hv_open(struct inode *inode, struct file *filp)
 
 	filp->private_data = dbq;
 
-	return ret;
+	return 0;
 }
 
 /*
-- 
2.20.1