lkml.org 
[lkml]   [2022]   [Nov]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 5/8] iio: imu: adis16400: Fix deadlock in probe
Date
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@analog.com>
---
drivers/iio/imu/adis16400.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/imu/adis16400.c b/drivers/iio/imu/adis16400.c
index 17bb0c40a149..c02fc35dceb4 100644
--- a/drivers/iio/imu/adis16400.c
+++ b/drivers/iio/imu/adis16400.c
@@ -445,7 +445,7 @@ static int adis16400_initial_setup(struct iio_dev *indio_dev)
st->adis.spi->mode = SPI_MODE_3;
spi_setup(st->adis.spi);

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

--
2.25.1
\
 
 \ /
  Last update: 2022-11-02 15:21    [W:0.060 / U:0.128 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site