From: Dan Carpenter <error27@xxxxxxxxx>
[ Upstream commit 37870358616ca7fdb1e90ad1cdd791655ec54414 ]
We recently added locking to this function but one error path was
over looked. Drop the lock before returning.
Fixes: e5464277625c ("gpio: mxc: Protect GPIO irqchip RMW with bgpio spinlock")
Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>
Acked-by: Marek Vasut <marex@xxxxxxx>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/gpio/gpio-mxc.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/gpio/gpio-mxc.c b/drivers/gpio/gpio-mxc.c
index dd91908c72f1..853d9aa6b3b1 100644
--- a/drivers/gpio/gpio-mxc.c
+++ b/drivers/gpio/gpio-mxc.c
@@ -236,10 +236,11 @@ static void mxc_flip_edge(struct mxc_gpio_port *port, u32 gpio)
} else {
pr_err("mxc: invalid configuration for GPIO %d: %x\n",
gpio, edge);
- return;
+ goto unlock;
}
writel(val | (edge << (bit << 1)), reg);
+unlock:
raw_spin_unlock_irqrestore(&port->gc.bgpio_lock, flags);
}
--
2.39.0
