[PATCH -next] HID: nintendo: fix missing unlock on error in joycon_leds_create()

From: Yang Yingliang
Date: Thu Oct 28 2021 - 23:03:19 EST


Add the missing unlock before return from function joycon_leds_create()
in the error handling case.

Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Fixes: c5e626769563 ("HID: nintendo: add player led support")
Fixes: 697e5c7a34b0 ("HID: nintendo: add home led support")
Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
---
drivers/hid/hid-nintendo.c | 12 +++++++++---
1 file changed, 9 insertions(+), 3 deletions(-)

diff --git a/drivers/hid/hid-nintendo.c b/drivers/hid/hid-nintendo.c
index c4270499fc6f..ddfb001a8fc9 100644
--- a/drivers/hid/hid-nintendo.c
+++ b/drivers/hid/hid-nintendo.c
@@ -1850,8 +1850,10 @@ static int joycon_leds_create(struct joycon_ctlr *ctlr)
d_name,
"green",
joycon_player_led_names[i]);
- if (!name)
- return -ENOMEM;
+ if (!name) {
+ ret = -ENOMEM;
+ goto err_unlock;
+ }

led = &ctlr->leds[i];
led->name = name;
@@ -1864,7 +1866,7 @@ static int joycon_leds_create(struct joycon_ctlr *ctlr)
ret = devm_led_classdev_register(&hdev->dev, led);
if (ret) {
hid_err(hdev, "Failed registering %s LED\n", led->name);
- return ret;
+ goto err_unlock;
}
}

@@ -1902,6 +1904,10 @@ static int joycon_leds_create(struct joycon_ctlr *ctlr)
}

return 0;
+
+err_unlock:
+ mutex_unlock(&joycon_input_num_mutex);
+ return ret;
}

static int joycon_battery_get_property(struct power_supply *supply,
--
2.25.1