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Subject: media: imx: imx7_mipi_csis: Fix error return code in 
mipi_csis_async_register()
Author:  Wei Yongjun <[email protected]>
Date:    Mon May 24 15:35:51 2021 +0200

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 <[email protected]>
Signed-off-by: Wei Yongjun <[email protected]>
Acked-by: Rui Miguel Silva <[email protected]>
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>

 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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