[PATCH 5.4 49/54] i2c: qup: Fix error return code in qup_i2c_bam_schedule_desc()

Greg Kroah-Hartman
2020-12-10T16:50:23Z

From: Zhihao Cheng <chengzhihao1@huawei.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@huawei.com>
Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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
@@ -806,7 +806,8 @@ 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;
}