media: imx-jpeg: Fix error return code in mxc_jpeg_probe()

Fix to return negative error code from the error handling
case instead of 0, as done elsewhere in this function.

Fixes: 2db16c6e ("media: imx-jpeg: Add V4L2 driver for i.MX8 JPEG Encoder/Decoder")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/platform/imx-jpeg/mxc-jpeg.c

@@ -2022,12 +2022,14 @@ static int mxc_jpeg_probe(struct platform_device *pdev)
 	jpeg->m2m_dev = v4l2_m2m_init(&mxc_jpeg_m2m_ops);
 	if (IS_ERR(jpeg->m2m_dev)) {
 		dev_err(dev, "failed to register v4l2 device\n");
+		ret = PTR_ERR(jpeg->m2m_dev);
 		goto err_m2m;
 	}
 
 	jpeg->dec_vdev = video_device_alloc();
 	if (!jpeg->dec_vdev) {
 		dev_err(dev, "failed to register v4l2 device\n");
+		ret = -ENOMEM;
 		goto err_vdev_alloc;
 	}
 	if (mode == MXC_JPEG_ENCODE)