From 20dc69ca1023b7e4c4af3c3495aa5a91e1a9be39 Mon Sep 17 00:00:00 2001 From: Yang Yingliang Date: Thu, 27 Jan 2022 19:58:15 +0800 Subject: [PATCH] spi: Fix missing unlock on error in sp7021_spi_master_transfer_one() Add the missing unlock before return from sp7021_spi_master_transfer_one() in the error handling case. Fixes: f62ca4e2a863 ("spi: Add spi driver for Sunplus SP7021") Reported-by: Hulk Robot Signed-off-by: Yang Yingliang Link: https://lore.kernel.org/r/20220127115815.3148950-1-yangyingliang@huawei.com Signed-off-by: Mark Brown --- drivers/spi/spi-sunplus-sp7021.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/spi/spi-sunplus-sp7021.c b/drivers/spi/spi-sunplus-sp7021.c index 627b9c3..cbbb166 100644 --- a/drivers/spi/spi-sunplus-sp7021.c +++ b/drivers/spi/spi-sunplus-sp7021.c @@ -351,6 +351,7 @@ static int sp7021_spi_master_transfer_one(struct spi_controller *ctlr, struct sp if (!wait_for_completion_interruptible_timeout(&pspim->isr_done, timeout)) { dev_err(&spi->dev, "wait_for_completion err\n"); + mutex_unlock(&pspim->buf_lock); return -ETIMEDOUT; } -- 2.7.4