summaryrefslogtreecommitdiff
path: root/drivers/input
diff options
context:
space:
mode:
authorZheng Yongjun <zhengyongjun3@huawei.com>2022-03-20 21:56:38 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-05-25 09:10:37 +0200
commitfa16a73d35cfcea7d540bd94a5f643b2d0bdc76d (patch)
tree97ce03034577f7b499ea92a1e71703879b8dcc06 /drivers/input
parent01d41d7e7fc7eef99ae5b1065d9186f91ff099e7 (diff)
Input: stmfts - fix reference leak in stmfts_input_open
[ Upstream commit 26623eea0da3476446909af96c980768df07bbd9 ] pm_runtime_get_sync() will increment pm usage counter even it failed. Forgetting to call pm_runtime_put_noidle will result in reference leak in stmfts_input_open, so we should fix it. Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com> Link: https://lore.kernel.org/r/20220317131604.53538-1-zhengyongjun3@huawei.com Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/input')
-rw-r--r--drivers/input/touchscreen/stmfts.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/input/touchscreen/stmfts.c b/drivers/input/touchscreen/stmfts.c
index cd8805d71d97..be1dd504d5b1 100644
--- a/drivers/input/touchscreen/stmfts.c
+++ b/drivers/input/touchscreen/stmfts.c
@@ -339,11 +339,11 @@ static int stmfts_input_open(struct input_dev *dev)
err = pm_runtime_get_sync(&sdata->client->dev);
if (err < 0)
- return err;
+ goto out;
err = i2c_smbus_write_byte(sdata->client, STMFTS_MS_MT_SENSE_ON);
if (err)
- return err;
+ goto out;
mutex_lock(&sdata->mutex);
sdata->running = true;
@@ -366,7 +366,9 @@ static int stmfts_input_open(struct input_dev *dev)
"failed to enable touchkey\n");
}
- return 0;
+out:
+ pm_runtime_put_noidle(&sdata->client->dev);
+ return err;
}
static void stmfts_input_close(struct input_dev *dev)