[PATCH 5.12 633/700] mtd: rawnand: marvell: add missing clk_disable_unprepare() on error in marvell_nfc_resume()

[Greg Kroah-Hartman]

From: Yang Yingliang <yangyingliang@xxxxxxxxxx>

[ Upstream commit ae94c49527aa9bd3b563349adc4b5617747ca6bd ]

Add clk_disable_unprepare() on error path in marvell_nfc_resume().

Fixes: bd9c3f9b3c00 ("mtd: rawnand: marvell: add suspend and resume hooks")
Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
Signed-off-by: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
Link: https://lore.kernel.org/linux-mtd/20210601125814.3260364-1-yangyingliang@xxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/mtd/nand/raw/marvell_nand.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/raw/marvell_nand.c b/drivers/mtd/nand/raw/marvell_nand.c
index 79da6b02e209..f83525a1ab0e 100644
--- a/drivers/mtd/nand/raw/marvell_nand.c
+++ b/drivers/mtd/nand/raw/marvell_nand.c
@@ -3030,8 +3030,10 @@ static int __maybe_unused marvell_nfc_resume(struct device *dev)
 		return ret;
 
 	ret = clk_prepare_enable(nfc->reg_clk);
-	if (ret < 0)
+	if (ret < 0) {
+		clk_disable_unprepare(nfc->core_clk);
 		return ret;
+	}
 
 	/*
 	 * Reset nfc->selected_chip so the next command will cause the timing
-- 
2.30.2