media: imx: imx7_mipi_csis: Fix error return code in mipi_csis_async_register()

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

Fixes: 88fc81388df9 ("media: imx: imx7_mipi_csis: Reject invalid data-lanes settings")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Acked-by: Rui Miguel Silva <rmfrfs@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

diff --git a/drivers/staging/media/imx/imx7-mipi-csis.c b/drivers/staging/media/imx/imx7-mipi-csis.c
index d573f34..9cd3c86 100644 (file)
--- a/drivers/staging/media/imx/imx7-mipi-csis.c
+++ b/drivers/staging/media/imx/imx7-mipi-csis.c
@@ -1175,6 +1175,7 @@ static int mipi_csis_async_register(struct csi_state *state)
                if (vep.bus.mipi_csi2.data_lanes[i] != i + 1) {
                        dev_err(state->dev,
                                "data lanes reordering is not supported");
+                       ret = -EINVAL;
                        goto err_parse;
                }
        }