[PATCH v4 05/13] soc: mediatek: cmdq: return send msg error code
From: Dennis YC Hsieh <hidden>
Date: 2020-03-03 10:59:14
Also in:
dri-devel, linux-devicetree, linux-mediatek, lkml
Subsystem:
arm/mediatek soc support, the rest · Maintainers:
Matthias Brugger, AngeloGioacchino Del Regno, Linus Torvalds
Return error code to client if send message fail,
so that client has chance to error handling.
Signed-off-by: Dennis YC Hsieh <redacted>
Fixes: 576f1b4bc802 ("soc: mediatek: Add Mediatek CMDQ helper")
---
drivers/soc/mediatek/mtk-cmdq-helper.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/soc/mediatek/mtk-cmdq-helper.c b/drivers/soc/mediatek/mtk-cmdq-helper.c
index 2e1bc513569b..98f23ba3ba47 100644
--- a/drivers/soc/mediatek/mtk-cmdq-helper.c
+++ b/drivers/soc/mediatek/mtk-cmdq-helper.c@@ -351,7 +351,9 @@ 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); + if (err < 0) + return err; /* We can send next packet immediately, so just call txdone. */ mbox_client_txdone(client->chan, 0);
--
2.18.0
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