From: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Date: Sun, 1 Sep 2013 01:01:00 +0000 (+0800)
Subject: spi/qspi: fix missing unlock on error in ti_qspi_start_transfer_one()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b6460366fbadc160604f50047d0394c7fc39ceab;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

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>
---

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;
 		}