media: rockchip-vpu: fix compiled warning about uninitialized 'ret'

rockchip_vpu_hw.c:251:5: warning: 'ret' may be used uninitialized in this function [-Wuninitialized]

Change-Id: Ia5564c2da345c5922341b818961b18d2b1419013
Signed-off-by: Yakir Yang <ykk@rock-chips.com>

diff --git a/drivers/media/platform/rockchip-vpu/rockchip_vpu_hw.c b/drivers/media/platform/rockchip-vpu/rockchip_vpu_hw.c
index d990e09c824684269825c090254753005657485c..6006bd1b70c579f913447a2b54741ea2467a6af2 100644 (file)
--- a/drivers/media/platform/rockchip-vpu/rockchip_vpu_hw.c
+++ b/drivers/media/platform/rockchip-vpu/rockchip_vpu_hw.c
@@ -163,8 +163,10 @@ static int rockchip_vpu_iommu_init(struct rockchip_vpu_dev *vpu)
                return -ENOMEM;
 
        vpu->domain = iommu_domain_alloc(vpu->dev->bus);
-       if (!vpu->domain)
+       if (!vpu->domain) {
+               ret = -ENOMEM;
                goto err_free_parms;
+       }
 
        ret = iommu_get_dma_cookie(vpu->domain);
        if (ret)