[PATCH v3 05/13] soc: mediatek: cmdq: return send msg error code

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Return error code to client if send message fail,
so that client has chance to error handling.

Fixes: 576f1b4bc802 ("soc: mediatek: Add Mediatek CMDQ helper")
Signed-off-by: Dennis YC Hsieh <dennis-yc.hsieh@xxxxxxxxxxxx>
---
 drivers/soc/mediatek/mtk-cmdq-helper.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c
index 2e1bc513569b..0698612de5ad 100644
--- a/drivers/soc/mediatek/mtk-cmdq-helper.c
+++ b/drivers/soc/mediatek/mtk-cmdq-helper.c
@@ -351,11 +351,11 @@ int cmdq_pkt_flush_async(struct cmdq_pkt *pkt, cmdq_async_flush_cb cb,
 		spin_unlock_irqrestore(&client->lock, flags);
 	}
 
-	mbox_send_message(client->chan, pkt);
+	err = mbox_send_message(client->chan, pkt);
 	/* We can send next packet immediately, so just call txdone. */
 	mbox_client_txdone(client->chan, 0);
 
-	return 0;
+	return err;
 }
 EXPORT_SYMBOL(cmdq_pkt_flush_async);
 
-- 
2.18.0




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