[PATCH 1/8] iio: accel: adis16201: Fix deadlock in probe

From: Ramona Bolboaca
Date: Wed Nov 02 2022 - 10:20:09 EST


Use __adis_initial_startup instead of adis_initial_startup to
avoid deadlock.
When using adis_initial_startup mutex_lock is called twice,
without releasing it (once inside adis_initial_startup and
once inside adis_enable_irq).

Fixes: 100bfa38c8cb ("iio: imu: adis[16480]: group RW into a single lock in adis_enable_irq()")
Signed-off-by: Ramona Bolboaca <ramona.bolboaca@xxxxxxxxxx>
---
drivers/iio/accel/adis16201.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/accel/adis16201.c b/drivers/iio/accel/adis16201.c
index dfb8e2e5bdf5..d054721859b3 100644
--- a/drivers/iio/accel/adis16201.c
+++ b/drivers/iio/accel/adis16201.c
@@ -281,7 +281,7 @@ static int adis16201_probe(struct spi_device *spi)
if (ret)
return ret;

- ret = adis_initial_startup(st);
+ ret = __adis_initial_startup(st);
if (ret)
return ret;

--
2.25.1