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authorHartmut Knaack <knaack.h@gmx.de>2015-07-17 10:52:30 +0200
committerJonathan Cameron <jic23@kernel.org>2015-08-02 18:03:30 +0100
commit3021678a94cdb942bea4e634a37e91fe341b27b0 (patch)
treef672579850b75fd9deeb4efba1f35ff47b7ee1a4 /drivers/iio
parentf9ba1ab4d19a79b4bef4baf21f559f9dd8ba33f9 (diff)
downloadop-kernel-dev-3021678a94cdb942bea4e634a37e91fe341b27b0.zip
op-kernel-dev-3021678a94cdb942bea4e634a37e91fe341b27b0.tar.gz
iio:magnetometer:bmc150_magn: expand mutex in trigger_handler
Keep the mutex locked, until the content of data->buffer has been pushed out. Signed-off-by: Hartmut Knaack <knaack.h@gmx.de> Acked-by: Irina Tirdea <irina.tirdea@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio')
-rw-r--r--drivers/iio/magnetometer/bmc150_magn.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iio/magnetometer/bmc150_magn.c b/drivers/iio/magnetometer/bmc150_magn.c
index 074a99d..324412d 100644
--- a/drivers/iio/magnetometer/bmc150_magn.c
+++ b/drivers/iio/magnetometer/bmc150_magn.c
@@ -664,7 +664,6 @@ static irqreturn_t bmc150_magn_trigger_handler(int irq, void *p)
mutex_lock(&data->mutex);
ret = bmc150_magn_read_xyz(data, data->buffer);
- mutex_unlock(&data->mutex);
if (ret < 0)
goto err;
@@ -672,6 +671,7 @@ static irqreturn_t bmc150_magn_trigger_handler(int irq, void *p)
pf->timestamp);
err:
+ mutex_unlock(&data->mutex);
iio_trigger_notify_done(indio_dev->trig);
return IRQ_HANDLED;
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