linux-kernel - [PATCH] i2c: qup: Fix error return code in qup_i2c_bam_schedule

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Date:   Mon, 16 Nov 2020 22:10:58 +0800
From:   Zhihao Cheng <chengzhihao1@...wei.com>
To:     <agross@...nel.org>, <bjorn.andersson@...aro.org>,
        <wsa@...nel.org>, <sricharan@...eaurora.org>
CC:     <linux-arm-msm@...r.kernel.org>, <linux-i2c@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <chengzhihao1@...wei.com>,
        <yi.zhang@...wei.com>
Subject: [PATCH] i2c: qup: Fix error return code in qup_i2c_bam_schedule_desc()

Fix to return the error code from qup_i2c_change_state()
instaed of 0 in qup_i2c_bam_schedule_desc().

Fixes: fbf9921f8b35d9b2 ("i2c: qup: Fix error handling")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Zhihao Cheng <chengzhihao1@...wei.com>
---
 drivers/i2c/busses/i2c-qup.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-qup.c b/drivers/i2c/busses/i2c-qup.c
index fbc04b60cfd1..5a47915869ae 100644
--- a/drivers/i2c/busses/i2c-qup.c
+++ b/drivers/i2c/busses/i2c-qup.c
@@ -801,7 +801,8 @@ static int qup_i2c_bam_schedule_desc(struct qup_i2c_dev *qup)
 	if (ret || qup->bus_err || qup->qup_err) {
 		reinit_completion(&qup->xfer);
 
-		if (qup_i2c_change_state(qup, QUP_RUN_STATE)) {
+		ret = qup_i2c_change_state(qup, QUP_RUN_STATE);
+		if (ret) {
 			dev_err(qup->dev, "change to run state timed out");
 			goto desc_err;
 		}
-- 
2.25.4