[PATCH] ASoC: SOF: ipc: Remove redundant error check from sof_ipc_tx_message_unlocked

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If the snd_sof_dsp_send_msg() failed then we have already returned from
sof_ipc_tx_message_unlocked() with the error message.

There is no need to check if ret is really 0 after this and we can return
directly the return value from tx_wait_done()

At the same time make the remaining checks for error (ret) to match.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@xxxxxxxxxxxxxxx>
Reviewed-by: Kai Vehmanen <kai.vehmanen@xxxxxxxxxxxxxxx>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
---
 sound/soc/sof/ipc.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/sound/soc/sof/ipc.c b/sound/soc/sof/ipc.c
index a4fe007a0e4d..969b017e68d4 100644
--- a/sound/soc/sof/ipc.c
+++ b/sound/soc/sof/ipc.c
@@ -286,7 +286,7 @@ static int sof_ipc_tx_message_unlocked(struct snd_sof_ipc *ipc, u32 header,
 
 	spin_unlock_irq(&sdev->ipc_lock);
 
-	if (ret < 0) {
+	if (ret) {
 		dev_err_ratelimited(sdev->dev,
 				    "error: ipc tx failed with error %d\n",
 				    ret);
@@ -296,10 +296,7 @@ static int sof_ipc_tx_message_unlocked(struct snd_sof_ipc *ipc, u32 header,
 	ipc_log_header(sdev->dev, "ipc tx", msg->header);
 
 	/* now wait for completion */
-	if (!ret)
-		ret = tx_wait_done(ipc, msg, reply_data);
-
-	return ret;
+	return tx_wait_done(ipc, msg, reply_data);
 }
 
 /* send IPC message from host to DSP */
-- 
2.33.0




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