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path: root/arch/s390/appldata/appldata_base.c
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Diffstat (limited to 'arch/s390/appldata/appldata_base.c')
-rw-r--r--arch/s390/appldata/appldata_base.c32
1 files changed, 16 insertions, 16 deletions
diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c
index aeb3cff95f6..1dfc7100c7e 100644
--- a/arch/s390/appldata/appldata_base.c
+++ b/arch/s390/appldata/appldata_base.c
@@ -98,7 +98,7 @@ static DECLARE_WORK(appldata_work, appldata_work_fn);
/*
* Ops list
*/
-static DEFINE_SPINLOCK(appldata_ops_lock);
+static DEFINE_MUTEX(appldata_ops_mutex);
static LIST_HEAD(appldata_ops_list);
@@ -129,14 +129,14 @@ static void appldata_work_fn(struct work_struct *work)
i = 0;
get_online_cpus();
- spin_lock(&appldata_ops_lock);
+ mutex_lock(&appldata_ops_mutex);
list_for_each(lh, &appldata_ops_list) {
ops = list_entry(lh, struct appldata_ops, list);
if (ops->active == 1) {
ops->callback(ops->data);
}
}
- spin_unlock(&appldata_ops_lock);
+ mutex_unlock(&appldata_ops_mutex);
put_online_cpus();
}
@@ -338,7 +338,7 @@ appldata_generic_handler(ctl_table *ctl, int write, struct file *filp,
struct list_head *lh;
found = 0;
- spin_lock(&appldata_ops_lock);
+ mutex_lock(&appldata_ops_mutex);
list_for_each(lh, &appldata_ops_list) {
tmp_ops = list_entry(lh, struct appldata_ops, list);
if (&tmp_ops->ctl_table[2] == ctl) {
@@ -346,15 +346,15 @@ appldata_generic_handler(ctl_table *ctl, int write, struct file *filp,
}
}
if (!found) {
- spin_unlock(&appldata_ops_lock);
+ mutex_unlock(&appldata_ops_mutex);
return -ENODEV;
}
ops = ctl->data;
if (!try_module_get(ops->owner)) { // protect this function
- spin_unlock(&appldata_ops_lock);
+ mutex_unlock(&appldata_ops_mutex);
return -ENODEV;
}
- spin_unlock(&appldata_ops_lock);
+ mutex_unlock(&appldata_ops_mutex);
if (!*lenp || *ppos) {
*lenp = 0;
@@ -378,11 +378,11 @@ appldata_generic_handler(ctl_table *ctl, int write, struct file *filp,
return -EFAULT;
}
- spin_lock(&appldata_ops_lock);
+ mutex_lock(&appldata_ops_mutex);
if ((buf[0] == '1') && (ops->active == 0)) {
// protect work queue callback
if (!try_module_get(ops->owner)) {
- spin_unlock(&appldata_ops_lock);
+ mutex_unlock(&appldata_ops_mutex);
module_put(ops->owner);
return -ENODEV;
}
@@ -407,7 +407,7 @@ appldata_generic_handler(ctl_table *ctl, int write, struct file *filp,
"failed with rc=%d\n", ops->name, rc);
module_put(ops->owner);
}
- spin_unlock(&appldata_ops_lock);
+ mutex_unlock(&appldata_ops_mutex);
out:
*lenp = len;
*ppos += len;
@@ -433,9 +433,9 @@ int appldata_register_ops(struct appldata_ops *ops)
if (!ops->ctl_table)
return -ENOMEM;
- spin_lock(&appldata_ops_lock);
+ mutex_lock(&appldata_ops_mutex);
list_add(&ops->list, &appldata_ops_list);
- spin_unlock(&appldata_ops_lock);
+ mutex_unlock(&appldata_ops_mutex);
ops->ctl_table[0].procname = appldata_proc_name;
ops->ctl_table[0].maxlen = 0;
@@ -452,9 +452,9 @@ int appldata_register_ops(struct appldata_ops *ops)
goto out;
return 0;
out:
- spin_lock(&appldata_ops_lock);
+ mutex_lock(&appldata_ops_mutex);
list_del(&ops->list);
- spin_unlock(&appldata_ops_lock);
+ mutex_unlock(&appldata_ops_mutex);
kfree(ops->ctl_table);
return -ENOMEM;
}
@@ -466,9 +466,9 @@ out:
*/
void appldata_unregister_ops(struct appldata_ops *ops)
{
- spin_lock(&appldata_ops_lock);
+ mutex_lock(&appldata_ops_mutex);
list_del(&ops->list);
- spin_unlock(&appldata_ops_lock);
+ mutex_unlock(&appldata_ops_mutex);
unregister_sysctl_table(ops->sysctl_header);
kfree(ops->ctl_table);
}