linux-kernel - [PATCH 1/2] soundwire: cadence: Fix error check in cdns_xfer

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Message-ID: <20220917154822.690472-1-rf@opensource.cirrus.com>
Date:   Sat, 17 Sep 2022 16:48:21 +0100
From:   Richard Fitzgerald <rf@...nsource.cirrus.com>
To:     <vkoul@...nel.org>, <yung-chuan.liao@...ux.intel.com>,
        <pierre-louis.bossart@...ux.intel.com>, <sanyog.r.kale@...el.com>
CC:     <alsa-devel@...a-project.org>, <linux-kernel@...r.kernel.org>,
        <patches@...nsource.cirrus.com>,
        Richard Fitzgerald <rf@...nsource.cirrus.com>
Subject: [PATCH 1/2] soundwire: cadence: Fix error check in cdns_xfer_msg()

_cdns_xfer_msg() returns an sdw_command_response value, not a
negative error code.

Signed-off-by: Richard Fitzgerald <rf@...nsource.cirrus.com>
---
 drivers/soundwire/cadence_master.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/soundwire/cadence_master.c b/drivers/soundwire/cadence_master.c
index ca241bbeadd9..3543a923ee6b 100644
--- a/drivers/soundwire/cadence_master.c
+++ b/drivers/soundwire/cadence_master.c
@@ -708,7 +708,7 @@ cdns_xfer_msg(struct sdw_bus *bus, struct sdw_msg *msg)
 	for (i = 0; i < msg->len / CDNS_MCP_CMD_LEN; i++) {
 		ret = _cdns_xfer_msg(cdns, msg, cmd, i * CDNS_MCP_CMD_LEN,
 				     CDNS_MCP_CMD_LEN, false);
-		if (ret < 0)
+		if (ret != SDW_CMD_OK)
 			goto exit;
 	}
 
-- 
2.30.2