[PATCH -next] media: imx: imx7_mipi_csis: Fix error return code in mipi_csis_async_register()

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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@xxxxxxxxxx>
Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
---
 drivers/staging/media/imx/imx7-mipi-csis.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/staging/media/imx/imx7-mipi-csis.c b/drivers/staging/media/imx/imx7-mipi-csis.c
index d573f3475d28..9cd3c86fee58 100644
--- 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;
 		}
 	}





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