[PATCH 4.19 129/346] spi: bcm63xx-hsspi: fix missing clk_disable_unprepare() on error in bcm63xx_hsspi_resume

[Greg Kroah-Hartman]

From: Qinglang Miao <miaoqinglang@xxxxxxxxxx>

[ Upstream commit 9bb9ef2b3e5d9d012876e7e2d7757eb30e865bee ]

Fix the missing clk_disable_unprepare() before return
from bcm63xx_hsspi_resume in the error handling case when
fails to prepare and enable bs->pll_clk.

Fixes: 0fd85869c2a9 ("spi/bcm63xx-hsspi: keep pll clk enabled")
Signed-off-by: Qinglang Miao <miaoqinglang@xxxxxxxxxx>
Link: https://lore.kernel.org/r/20201103074911.195530-1-miaoqinglang@xxxxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/spi/spi-bcm63xx-hsspi.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/spi/spi-bcm63xx-hsspi.c b/drivers/spi/spi-bcm63xx-hsspi.c
index 1669c554ea340..2ad7b3f3666be 100644
--- a/drivers/spi/spi-bcm63xx-hsspi.c
+++ b/drivers/spi/spi-bcm63xx-hsspi.c
@@ -487,8 +487,10 @@ static int bcm63xx_hsspi_resume(struct device *dev)
 
 	if (bs->pll_clk) {
 		ret = clk_prepare_enable(bs->pll_clk);
-		if (ret)
+		if (ret) {
+			clk_disable_unprepare(bs->clk);
 			return ret;
+		}
 	}
 
 	spi_master_resume(master);
-- 
2.27.0