diff options
| author | Alban Bedel <alban.bedel@avionic-design.de> | 2015-04-20 14:57:18 +0300 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2015-04-26 20:24:08 +0300 |
| commit | 8e71c04f863a1754f21b27fb8ecb773d680a0a80 (patch) | |
| tree | e697db6e15c6e15b08ca84fd9c61fcce039dd685 /drivers/iio/common | |
| parent | 97ffae1d30c3f6ceee67d5b0d3e540c08c13c744 (diff) | |
| download | linux-8e71c04f863a1754f21b27fb8ecb773d680a0a80.tar.xz | |
iio:st_sensors: Fix oops when probing SPI devices
In SPI mode the transfer buffer is locked with a mutex. However this
mutex is only initilized after the probe, but some transfer needs to
be done in the probe.
To fix this bug we move the mutex initialization at the beginning of
the device probe.
Signed-off-by: Alban Bedel <alban.bedel@avionic-design.de>
Acked-by: Denis Ciocca <denis.ciocca@st.com>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio/common')
| -rw-r--r-- | drivers/iio/common/st_sensors/st_sensors_core.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/iio/common/st_sensors/st_sensors_core.c b/drivers/iio/common/st_sensors/st_sensors_core.c index edd13d2b4121..8dd0477e201c 100644 --- a/drivers/iio/common/st_sensors/st_sensors_core.c +++ b/drivers/iio/common/st_sensors/st_sensors_core.c @@ -304,8 +304,6 @@ int st_sensors_init_sensor(struct iio_dev *indio_dev, struct st_sensors_platform_data *of_pdata; int err = 0; - mutex_init(&sdata->tb.buf_lock); - /* If OF/DT pdata exists, it will take precedence of anything else */ of_pdata = st_sensors_of_probe(indio_dev->dev.parent, pdata); if (of_pdata) |