From: Hartmut Knaack <knaack.h@gmx.de>
To: linux-iio@vger.kernel.org
Subject: [PATCH]iio get rid of unneccessary error_ret
Date: Sun, 16 Feb 2014 12:53:50 +0100 [thread overview]
Message-ID: <5300A6CE.2090707@gmx.de> (raw)
Get rid of obsolete uses of goto error_ret and some empty lines.
Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
---
diff --git a/drivers/iio/buffer_cb.c b/drivers/iio/buffer_cb.c
index 2d9c6f8..eb46e72 100644
--- a/drivers/iio/buffer_cb.c
+++ b/drivers/iio/buffer_cb.c
@@ -46,10 +46,8 @@ struct iio_cb_buffer *iio_channel_get_all_cb(struct device *dev,
struct iio_channel *chan;
cb_buff = kzalloc(sizeof(*cb_buff), GFP_KERNEL);
- if (cb_buff == NULL) {
- ret = -ENOMEM;
- goto error_ret;
- }
+ if (cb_buff == NULL)
+ return ERR_PTR(-ENOMEM);
iio_buffer_init(&cb_buff->buffer);
@@ -91,7 +89,6 @@ error_release_channels:
iio_channel_release_all(cb_buff->channels);
error_free_cb_buff:
kfree(cb_buff);
-error_ret:
return ERR_PTR(ret);
}
EXPORT_SYMBOL_GPL(iio_channel_get_all_cb);
diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c
index c67d83b..e108f2a 100644
--- a/drivers/iio/industrialio-buffer.c
+++ b/drivers/iio/industrialio-buffer.c
@@ -264,7 +264,7 @@ static int iio_buffer_add_channel_sysfs(struct iio_dev *indio_dev,
&indio_dev->dev,
&buffer->scan_el_dev_attr_list);
if (ret)
- goto error_ret;
+ return ret;
attrcount++;
ret = __iio_add_chan_devattr("type",
chan,
@@ -275,7 +275,7 @@ static int iio_buffer_add_channel_sysfs(struct iio_dev *indio_dev,
&indio_dev->dev,
&buffer->scan_el_dev_attr_list);
if (ret)
- goto error_ret;
+ return ret;
attrcount++;
if (chan->type != IIO_TIMESTAMP)
ret = __iio_add_chan_devattr("en",
@@ -296,10 +296,9 @@ static int iio_buffer_add_channel_sysfs(struct iio_dev *indio_dev,
&indio_dev->dev,
&buffer->scan_el_dev_attr_list);
if (ret)
- goto error_ret;
+ return ret;
attrcount++;
ret = attrcount;
-error_ret:
return ret;
}
@@ -553,13 +552,13 @@ static int __iio_update_buffers(struct iio_dev *indio_dev,
if (indio_dev->setup_ops->predisable) {
ret = indio_dev->setup_ops->predisable(indio_dev);
if (ret)
- goto error_ret;
+ return ret;
}
indio_dev->currentmode = INDIO_DIRECT_MODE;
if (indio_dev->setup_ops->postdisable) {
ret = indio_dev->setup_ops->postdisable(indio_dev);
if (ret)
- goto error_ret;
+ return ret;
}
}
/* Keep a copy of current setup to allow roll back */
@@ -613,7 +612,7 @@ static int __iio_update_buffers(struct iio_dev *indio_dev,
else {
kfree(compound_mask);
ret = -EINVAL;
- goto error_ret;
+ return ret;
}
}
} else {
@@ -696,13 +695,10 @@ error_run_postdisable:
if (indio_dev->setup_ops->postdisable)
indio_dev->setup_ops->postdisable(indio_dev);
error_remove_inserted:
-
if (insert_buffer)
iio_buffer_deactivate(insert_buffer);
indio_dev->active_scan_mask = old_mask;
kfree(compound_mask);
-error_ret:
-
return ret;
}
diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index acc911a..a85b660 100644
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -692,10 +692,8 @@ int __iio_add_chan_devattr(const char *postfix,
struct iio_dev_attr *iio_attr, *t;
iio_attr = kzalloc(sizeof(*iio_attr), GFP_KERNEL);
- if (iio_attr == NULL) {
- ret = -ENOMEM;
- goto error_ret;
- }
+ if (iio_attr == NULL)
+ return -ENOMEM;
ret = __iio_device_attr_init(&iio_attr->dev_attr,
postfix, chan,
readfunc, writefunc, shared_by);
@@ -720,7 +718,6 @@ error_device_attr_deinit:
__iio_device_attr_deinit(&iio_attr->dev_attr);
error_iio_dev_attr_free:
kfree(iio_attr);
-error_ret:
return ret;
}
@@ -1134,7 +1131,7 @@ int iio_device_register(struct iio_dev *indio_dev)
if (ret) {
dev_err(indio_dev->dev.parent,
"Failed to register debugfs interfaces\n");
- goto error_ret;
+ return ret;
}
ret = iio_device_register_sysfs(indio_dev);
if (ret) {
@@ -1175,7 +1172,6 @@ error_free_sysfs:
iio_device_unregister_sysfs(indio_dev);
error_unreg_debugfs:
iio_device_unregister_debugfs(indio_dev);
-error_ret:
return ret;
}
EXPORT_SYMBOL(iio_device_register);
diff --git a/drivers/iio/industrialio-event.c b/drivers/iio/industrialio-event.c
index c9c1419..2e6f8e0 100644
--- a/drivers/iio/industrialio-event.c
+++ b/drivers/iio/industrialio-event.c
@@ -366,32 +366,31 @@ static int iio_device_add_event_sysfs(struct iio_dev *indio_dev,
ret = iio_device_add_event(indio_dev, chan, i, type, dir,
IIO_SEPARATE, &chan->event_spec[i].mask_separate);
if (ret < 0)
- goto error_ret;
+ return ret;
attrcount += ret;
ret = iio_device_add_event(indio_dev, chan, i, type, dir,
IIO_SHARED_BY_TYPE,
&chan->event_spec[i].mask_shared_by_type);
if (ret < 0)
- goto error_ret;
+ return ret;
attrcount += ret;
ret = iio_device_add_event(indio_dev, chan, i, type, dir,
IIO_SHARED_BY_DIR,
&chan->event_spec[i].mask_shared_by_dir);
if (ret < 0)
- goto error_ret;
+ return ret;
attrcount += ret;
ret = iio_device_add_event(indio_dev, chan, i, type, dir,
IIO_SHARED_BY_ALL,
&chan->event_spec[i].mask_shared_by_all);
if (ret < 0)
- goto error_ret;
+ return ret;
attrcount += ret;
}
ret = attrcount;
-error_ret:
return ret;
}
@@ -440,10 +439,8 @@ int iio_device_register_eventset(struct iio_dev *indio_dev)
indio_dev->event_interface =
kzalloc(sizeof(struct iio_event_interface), GFP_KERNEL);
- if (indio_dev->event_interface == NULL) {
- ret = -ENOMEM;
- goto error_ret;
- }
+ if (indio_dev->event_interface == NULL)
+ return -ENOMEM;
INIT_LIST_HEAD(&indio_dev->event_interface->dev_attr_list);
@@ -489,8 +486,6 @@ int iio_device_register_eventset(struct iio_dev *indio_dev)
error_free_setup_event_lines:
iio_free_chan_devattr_list(&indio_dev->event_interface->dev_attr_list);
kfree(indio_dev->event_interface);
-error_ret:
-
return ret;
}
diff --git a/drivers/iio/industrialio-trigger.c b/drivers/iio/industrialio-trigger.c
index 766fab2..3383b02 100644
--- a/drivers/iio/industrialio-trigger.c
+++ b/drivers/iio/industrialio-trigger.c
@@ -62,10 +62,9 @@ int iio_trigger_register(struct iio_trigger *trig_info)
int ret;
trig_info->id = ida_simple_get(&iio_trigger_ida, 0, 0, GFP_KERNEL);
- if (trig_info->id < 0) {
- ret = trig_info->id;
- goto error_ret;
- }
+ if (trig_info->id < 0)
+ return trig_info->id;
+
/* Set the name used for the sysfs directory etc */
dev_set_name(&trig_info->dev, "trigger%ld",
(unsigned long) trig_info->id);
@@ -83,7 +82,6 @@ int iio_trigger_register(struct iio_trigger *trig_info)
error_unregister_id:
ida_simple_remove(&iio_trigger_ida, trig_info->id);
-error_ret:
return ret;
}
EXPORT_SYMBOL(iio_trigger_register);
@@ -234,13 +232,12 @@ static int iio_trigger_detach_poll_func(struct iio_trigger *trig,
if (trig->ops && trig->ops->set_trigger_state && no_other_users) {
ret = trig->ops->set_trigger_state(trig, false);
if (ret)
- goto error_ret;
+ return ret;
}
iio_trigger_put_irq(trig, pf->irq);
free_irq(pf->irq, pf);
module_put(pf->indio_dev->info->driver_module);
-error_ret:
return ret;
}
next reply other threads:[~2014-02-16 11:53 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-16 11:53 Hartmut Knaack [this message]
2014-02-18 8:47 ` [PATCH]iio get rid of unneccessary error_ret Jonathan Cameron
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