spi/qspi: fix missing unlock on error in ti_qspi_start_transfer_one()

Add the missing unlock before return from function ti_qspi_start_transfer_one()
in the error handling case.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Mark Brown <broonie@linaro.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/spi/spi-ti-qspi.c b/drivers/spi/spi-ti-qspi.c
index 136d71eb6f27..e12d962a289f 100644
--- a/drivers/spi/spi-ti-qspi.c
+++ b/drivers/spi/spi-ti-qspi.c
@@ -376,6 +376,7 @@ static int ti_qspi_start_transfer_one(struct spi_master *master,
                 ret = qspi_transfer_msg(qspi, t);
                 if (ret) {
                         dev_dbg(qspi->dev, "transfer message failed\n");
+                        mutex_unlock(&qspi->list_lock);
                         return -EINVAL;
                 }