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| author | Marek Vasut <marex@denx.de> | 2013-06-29 22:20:00 +0100 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2013-07-03 20:48:53 +0100 |
| commit | e1b1fa66a0398f0b52ae79a2bdc7de87c205d074 (patch) | |
| tree | b40a32ce62bd667e33d83cd66da131fe0364eb11 /drivers | |
| parent | f91d1b63a4e096d3023aaaafec9d9d3aff25997f (diff) | |
| download | linux-e1b1fa66a0398f0b52ae79a2bdc7de87c205d074.tar.gz linux-e1b1fa66a0398f0b52ae79a2bdc7de87c205d074.tar.bz2 linux-e1b1fa66a0398f0b52ae79a2bdc7de87c205d074.zip | |
iio: mxs-lradc: Fix misuse of iio->trig
The struct iio_dev .trig field is to be used only by the IIO core,
the driver shall not fill this field. This fixes ugly crash when
the driver is compiled as a module and the module is rmmod'd.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Cc: Jonathan Cameron <jic23@kernel.org>
Cc: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/staging/iio/adc/mxs-lradc.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/staging/iio/adc/mxs-lradc.c b/drivers/staging/iio/adc/mxs-lradc.c index d92c97a59d61..c5edf1cad07a 100644 --- a/drivers/staging/iio/adc/mxs-lradc.c +++ b/drivers/staging/iio/adc/mxs-lradc.c @@ -661,12 +661,13 @@ static int mxs_lradc_trigger_init(struct iio_dev *iio) { int ret; struct iio_trigger *trig; + struct mxs_lradc *lradc = iio_priv(iio); trig = iio_trigger_alloc("%s-dev%i", iio->name, iio->id); if (trig == NULL) return -ENOMEM; - trig->dev.parent = iio->dev.parent; + trig->dev.parent = lradc->dev; iio_trigger_set_drvdata(trig, iio); trig->ops = &mxs_lradc_trigger_ops; @@ -676,15 +677,17 @@ static int mxs_lradc_trigger_init(struct iio_dev *iio) return ret; } - iio->trig = trig; + lradc->trig = trig; return 0; } static void mxs_lradc_trigger_remove(struct iio_dev *iio) { - iio_trigger_unregister(iio->trig); - iio_trigger_free(iio->trig); + struct mxs_lradc *lradc = iio_priv(iio); + + iio_trigger_unregister(lradc->trig); + iio_trigger_free(lradc->trig); } static int mxs_lradc_buffer_preenable(struct iio_dev *iio) |