From: Dinghao Liu <dinghao....@zju.edu.cn>

[ Upstream commit 550e68ea36a6671a96576c0531685ce6e6c0d19d ]

pm_runtime_get_sync() increments the runtime PM usage counter even
when it returns an error code. Thus a pairing decrement is needed on
the error handling path to keep the counter balanced.

Signed-off-by: Dinghao Liu <dinghao....@zju.edu.cn>
Signed-off-by: Miquel Raynal <miquel.ray...@bootlin.com>
Link: 
https://lore.kernel.org/linux-mtd/20200522095139.19653-1-dinghao....@zju.edu.cn
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
 drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c 
b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
index b9d5d55a5edb9..ef89947ee3191 100644
--- a/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
+++ b/drivers/mtd/nand/raw/gpmi-nand/gpmi-nand.c
@@ -540,8 +540,10 @@ static int bch_set_geometry(struct gpmi_nand_data *this)
                return ret;
 
        ret = pm_runtime_get_sync(this->dev);
-       if (ret < 0)
+       if (ret < 0) {
+               pm_runtime_put_autosuspend(this->dev);
                return ret;
+       }
 
        /*
        * Due to erratum #2847 of the MX23, the BCH cannot be soft reset on this
-- 
2.25.1



Reply via email to