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Subject[PATCH] iio: Function iio_get_new_idr_val() return negative value if fails.
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Function iio_get_new_idr_val() return negative value if fails.
So, only error when ret < 0 in iio_device_register_eventset().

Signed-off-by: Sonic Zhang <sonic.adi@gmail.com>
---
drivers/staging/iio/industrialio-core.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/staging/iio/industrialio-core.c b/drivers/staging/iio/industrialio-core.c
index b456dfc..dd9267c 100644
--- a/drivers/staging/iio/industrialio-core.c
+++ b/drivers/staging/iio/industrialio-core.c
@@ -536,6 +536,7 @@ static void iio_device_unregister_sysfs(struct iio_dev *dev_info)
sysfs_remove_group(&dev_info->dev.kobj, dev_info->attrs);
}

+/* This function return negative value if fails. */
int iio_get_new_idr_val(struct idr *this_idr)
{
int ret;
@@ -659,7 +660,7 @@ static int iio_device_register_eventset(struct iio_dev *dev_info)
for (i = 0; i < dev_info->num_interrupt_lines; i++) {
dev_info->event_interfaces[i].owner = dev_info->driver_module;
ret = iio_get_new_idr_val(&iio_event_idr);
- if (ret)
+ if (ret < 0)
goto error_free_setup_ev_ints;
else
dev_info->event_interfaces[i].id = ret;
--
1.6.0




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