[PATCH] [v2] media: mx2_emmaprp: Fix memleak in emmaprp_probe

[Dinghao Liu]

When platform_get_irq() fails, we should release
vfd and unregister pcdev->v4l2_dev just like the
subsequent error paths.

Fixes: d4e192cc44914 ("media: mx2_emmaprp: Check for platform_get_irq() error")
Signed-off-by: Dinghao Liu <dinghao....@zju.edu.cn>
---

Changelog:

v2: - Add 'ret = irq;'.
---
 drivers/media/platform/mx2_emmaprp.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/media/platform/mx2_emmaprp.c 
b/drivers/media/platform/mx2_emmaprp.c
index df78df59da45..08a5473b5610 100644
--- a/drivers/media/platform/mx2_emmaprp.c
+++ b/drivers/media/platform/mx2_emmaprp.c
@@ -852,8 +852,11 @@ static int emmaprp_probe(struct platform_device *pdev)
        platform_set_drvdata(pdev, pcdev);
 
        irq = platform_get_irq(pdev, 0);
-       if (irq < 0)
-               return irq;
+       if (irq < 0) {
+               ret = irq;
+               goto rel_vdev;
+       }
+
        ret = devm_request_irq(&pdev->dev, irq, emmaprp_irq, 0,
                               dev_name(&pdev->dev), pcdev);
        if (ret)
-- 
2.17.1