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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-06-20 14:40:51 (GMT)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-06-20 14:40:51 (GMT)
commitbc71c2df45e5a861818b5ee173702883df07471a (patch)
treecd008493efad9dc936d0d2574f26dc6c9c7cb785 /drivers/iio/industrialio-trigger.c
parent76d15c8fba655c9b2d60cf01834858f2c44483dc (diff)
parent33688abb2802ff3a230bd2441f765477b94cc89e (diff)
downloadlinux-bc71c2df45e5a861818b5ee173702883df07471a.tar.xz
Merge 4.7-rc4 into usb-next
We need the 4.7-rc4 fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/iio/industrialio-trigger.c')
-rw-r--r--drivers/iio/industrialio-trigger.c23
1 files changed, 18 insertions, 5 deletions
diff --git a/drivers/iio/industrialio-trigger.c b/drivers/iio/industrialio-trigger.c
index ae2806a..0c52dfe 100644
--- a/drivers/iio/industrialio-trigger.c
+++ b/drivers/iio/industrialio-trigger.c
@@ -210,22 +210,35 @@ static int iio_trigger_attach_poll_func(struct iio_trigger *trig,
/* Prevent the module from being removed whilst attached to a trigger */
__module_get(pf->indio_dev->info->driver_module);
+
+ /* Get irq number */
pf->irq = iio_trigger_get_irq(trig);
+ if (pf->irq < 0)
+ goto out_put_module;
+
+ /* Request irq */
ret = request_threaded_irq(pf->irq, pf->h, pf->thread,
pf->type, pf->name,
pf);
- if (ret < 0) {
- module_put(pf->indio_dev->info->driver_module);
- return ret;
- }
+ if (ret < 0)
+ goto out_put_irq;
+ /* Enable trigger in driver */
if (trig->ops && trig->ops->set_trigger_state && notinuse) {
ret = trig->ops->set_trigger_state(trig, true);
if (ret < 0)
- module_put(pf->indio_dev->info->driver_module);
+ goto out_free_irq;
}
return ret;
+
+out_free_irq:
+ free_irq(pf->irq, pf);
+out_put_irq:
+ iio_trigger_put_irq(trig, pf->irq);
+out_put_module:
+ module_put(pf->indio_dev->info->driver_module);
+ return ret;
}
static int iio_trigger_detach_poll_func(struct iio_trigger *trig,