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| author | Sonic Zhang <sonic.adi@gmail.com> | 2010-03-22 12:27:05 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2010-04-30 09:30:09 -0700 |
| commit | a8947fcf3bbeda9fc6ff1205e51f8ff1b0128cc4 (patch) | |
| tree | 5a7774c771316cb5554743c53dc34f4f7e44eb30 /drivers | |
| parent | ee58cb2bcda99ae934176ad5ae66f7699d23cd3d (diff) | |
| download | linux-a8947fcf3bbeda9fc6ff1205e51f8ff1b0128cc4.tar.bz2 | |
staging: iio: Function iio_get_new_idr_val() return negative value if fails.
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>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers')
| -rw-r--r-- | 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 37f58f66e491..5af1a4783434 100644 --- a/drivers/staging/iio/industrialio-core.c +++ b/drivers/staging/iio/industrialio-core.c @@ -537,6 +537,7 @@ 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; @@ -660,7 +661,7 @@ 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; |