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authorJonathan Cameron <jic23@cam.ac.uk>2011-10-14 13:46:58 (GMT)
committerGreg Kroah-Hartman <gregkh@suse.de>2011-10-17 22:34:53 (GMT)
commitd2fffd6c2fd60fe9ab63ef30758d9d43a5057549 (patch)
tree7c0178872f67c15707cd3c89f82352ba90da1d09 /drivers/staging/iio/accel/sca3000_core.c
parentcdea0bec8d37f2943ae500512b0c178bc76de6e3 (diff)
downloadlinux-d2fffd6c2fd60fe9ab63ef30758d9d43a5057549.tar.xz
staging:iio: fix removal path to allow correct freeing.
Fix a dumb lack of consideration of the effect of combining the iio_device_unregister and iio_free_device calls into one. There is no valid place to free some of the sysfs array elements. Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/iio/accel/sca3000_core.c')
-rw-r--r--drivers/staging/iio/accel/sca3000_core.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/staging/iio/accel/sca3000_core.c b/drivers/staging/iio/accel/sca3000_core.c
index edc62ee..a44a705 100644
--- a/drivers/staging/iio/accel/sca3000_core.c
+++ b/drivers/staging/iio/accel/sca3000_core.c
@@ -1122,7 +1122,7 @@ static const struct iio_info sca3000_info_with_temp = {
static int __devinit sca3000_probe(struct spi_device *spi)
{
- int ret, regdone = 0;
+ int ret;
struct sca3000_state *st;
struct iio_dev *indio_dev;
@@ -1154,7 +1154,7 @@ static int __devinit sca3000_probe(struct spi_device *spi)
ret = iio_device_register(indio_dev);
if (ret < 0)
goto error_free_dev;
- regdone = 1;
+
ret = iio_buffer_register(indio_dev,
sca3000_channels,
ARRAY_SIZE(sca3000_channels));
@@ -1188,11 +1188,9 @@ error_free_irq:
error_unregister_ring:
iio_buffer_unregister(indio_dev);
error_unregister_dev:
+ iio_device_unregister(indio_dev);
error_free_dev:
- if (regdone)
- iio_device_unregister(indio_dev);
- else
- iio_free_device(indio_dev);
+ iio_free_device(indio_dev);
error_ret:
return ret;
@@ -1227,9 +1225,10 @@ static int sca3000_remove(struct spi_device *spi)
return ret;
if (spi->irq)
free_irq(spi->irq, indio_dev);
+ iio_device_unregister(indio_dev);
iio_buffer_unregister(indio_dev);
sca3000_unconfigure_ring(indio_dev);
- iio_device_unregister(indio_dev);
+ iio_free_device(indio_dev);
return 0;
}