aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/isdn/mISDN
diff options
context:
space:
mode:
authorAndreas Eversberg <andreas@eversberg.eu>2008-09-28 15:40:15 +0200
committerKarsten Keil <kkeil@suse.de>2009-01-09 22:44:28 +0100
commit808a14a1583ca3790bf0a9c20c7d4cbac212c775 (patch)
treecbdd7cf346479d30aa03655761bb5532d1b4cc5e /drivers/isdn/mISDN
parent87c5fa1bb42624254a2013cbbc3b170d6017f5d6 (diff)
downloadmrst-s0i3-test-808a14a1583ca3790bf0a9c20c7d4cbac212c775.tar.gz
mrst-s0i3-test-808a14a1583ca3790bf0a9c20c7d4cbac212c775.tar.xz
mrst-s0i3-test-808a14a1583ca3790bf0a9c20c7d4cbac212c775.zip
mISDN: Add missing release functions
Add missing release function of ec-devices. Each device require a relase function now. All destruction (memory and list entry) must be done within the given release function of device, rather than after unregistering device. Signed-off-by: Andreas Eversberg <andreas@eversberg.eu> Signed-off-by: Karsten Keil <kkeil@suse.de>
Diffstat (limited to 'drivers/isdn/mISDN')
-rw-r--r--drivers/isdn/mISDN/dsp_pipeline.c28
1 files changed, 21 insertions, 7 deletions
diff --git a/drivers/isdn/mISDN/dsp_pipeline.c b/drivers/isdn/mISDN/dsp_pipeline.c
index 83639be7f7a..7a3a3e1e4d8 100644
--- a/drivers/isdn/mISDN/dsp_pipeline.c
+++ b/drivers/isdn/mISDN/dsp_pipeline.c
@@ -75,6 +75,15 @@ static struct device_attribute element_attributes[] = {
__ATTR(args, 0444, attr_show_args, NULL),
};
+static void
+mISDN_dsp_dev_release(struct device *dev)
+{
+ struct dsp_element_entry *entry =
+ container_of(dev, struct dsp_element_entry, dev);
+ list_del(&entry->list);
+ kfree(entry);
+}
+
int mISDN_dsp_element_register(struct mISDN_dsp_element *elem)
{
struct dsp_element_entry *entry;
@@ -90,6 +99,7 @@ int mISDN_dsp_element_register(struct mISDN_dsp_element *elem)
entry->elem = elem;
entry->dev.class = elements_class;
+ entry->dev.release = mISDN_dsp_dev_release;
dev_set_drvdata(&entry->dev, elem);
dev_set_name(&entry->dev, elem->name);
ret = device_register(&entry->dev);
@@ -98,6 +108,7 @@ int mISDN_dsp_element_register(struct mISDN_dsp_element *elem)
__func__, elem->name);
goto err1;
}
+ list_add_tail(&entry->list, &dsp_elements);
for (i = 0; i < (sizeof(element_attributes)
/ sizeof(struct device_attribute)); ++i)
@@ -109,14 +120,15 @@ int mISDN_dsp_element_register(struct mISDN_dsp_element *elem)
goto err2;
}
- list_add_tail(&entry->list, &dsp_elements);
-
+#ifdef PIPELINE_DEBUG
printk(KERN_DEBUG "%s: %s registered\n", __func__, elem->name);
+#endif
return 0;
err2:
device_unregister(&entry->dev);
+ return ret;
err1:
kfree(entry);
return ret;
@@ -132,11 +144,11 @@ void mISDN_dsp_element_unregister(struct mISDN_dsp_element *elem)
list_for_each_entry_safe(entry, n, &dsp_elements, list)
if (entry->elem == elem) {
- list_del(&entry->list);
device_unregister(&entry->dev);
- kfree(entry);
+#ifdef PIPELINE_DEBUG
printk(KERN_DEBUG "%s: %s unregistered\n",
__func__, elem->name);
+#endif
return;
}
printk(KERN_ERR "%s: element %s not in list.\n", __func__, elem->name);
@@ -173,7 +185,9 @@ void dsp_pipeline_module_exit(void)
kfree(entry);
}
+#ifdef PIPELINE_DEBUG
printk(KERN_DEBUG "%s: dsp pipeline module exited\n", __func__);
+#endif
}
int dsp_pipeline_init(struct dsp_pipeline *pipeline)
@@ -258,7 +272,7 @@ int dsp_pipeline_build(struct dsp_pipeline *pipeline, const char *cfg)
pipeline_entry = kmalloc(sizeof(struct
dsp_pipeline_entry), GFP_KERNEL);
if (!pipeline_entry) {
- printk(KERN_DEBUG "%s: failed to add "
+ printk(KERN_ERR "%s: failed to add "
"entry to pipeline: %s (out of "
"memory)\n", __func__, elem->name);
incomplete = 1;
@@ -286,7 +300,7 @@ int dsp_pipeline_build(struct dsp_pipeline *pipeline, const char *cfg)
args : "");
#endif
} else {
- printk(KERN_DEBUG "%s: failed "
+ printk(KERN_ERR "%s: failed "
"to add entry to pipeline: "
"%s (new() returned NULL)\n",
__func__, elem->name);
@@ -301,7 +315,7 @@ int dsp_pipeline_build(struct dsp_pipeline *pipeline, const char *cfg)
if (found)
found = 0;
else {
- printk(KERN_DEBUG "%s: element not found, skipping: "
+ printk(KERN_ERR "%s: element not found, skipping: "
"%s\n", __func__, name);
incomplete = 1;
}