[PATCH 5.10 105/352] Input: elan_i2c - do not leave interrupt disabled on suspend failure

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5.10-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>

[ Upstream commit 5f82c1e04721e7cd98e604eb4e58f0724d8e5a65 ]

Make sure interrupts are not left disabled when we fail to suspend the
touch controller.

Fixes: 6696777c6506 ("Input: add driver for Elan I2C/SMbus touchpad")
Link: https://lore.kernel.org/r/ZmKiiL-1wzKrhqBj@xxxxxxxxxx
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/input/mouse/elan_i2c_core.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c
index 6f59c8b245f24..14c2c66414f4e 100644
--- a/drivers/input/mouse/elan_i2c_core.c
+++ b/drivers/input/mouse/elan_i2c_core.c
@@ -1340,6 +1340,8 @@ static int __maybe_unused elan_suspend(struct device *dev)
 	}
 
 err:
+	if (ret)
+		enable_irq(client->irq);
 	mutex_unlock(&data->sysfs_mutex);
 	return ret;
 }
-- 
2.43.0







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