linux-kernel - [PATCH 5.9 69/75] i2c: qup: Fix error return code in qup_i2c_bam_schedule

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Message-Id: <20201210142609.423063233@linuxfoundation.org>
Date:   Thu, 10 Dec 2020 15:27:34 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Hulk Robot <hulkci@...wei.com>,
        Zhihao Cheng <chengzhihao1@...wei.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Wolfram Sang <wsa@...nel.org>
Subject: [PATCH 5.9 69/75] i2c: qup: Fix error return code in qup_i2c_bam_schedule_desc()

From: Zhihao Cheng <chengzhihao1@...wei.com>

commit e9acf0298c664f825e6f1158f2a97341bf9e03ca upstream.

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>
Reviewed-by: Bjorn Andersson <bjorn.andersson@...aro.org>
Signed-off-by: Wolfram Sang <wsa@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/i2c/busses/i2c-qup.c |    3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--- 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(str
 	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;
 		}