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Diffstat (limited to 'net/wireless/reg.c')
-rw-r--r--net/wireless/reg.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index ed89c59bb431..422da20d1e5b 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -33,6 +33,7 @@
*
*/
#include <linux/kernel.h>
+#include <linux/slab.h>
#include <linux/list.h>
#include <linux/random.h>
#include <linux/nl80211.h>
@@ -324,7 +325,7 @@ struct reg_regdb_search_request {
};
static LIST_HEAD(reg_regdb_search_list);
-static DEFINE_SPINLOCK(reg_regdb_search_lock);
+static DEFINE_MUTEX(reg_regdb_search_mutex);
static void reg_regdb_search(struct work_struct *work)
{
@@ -332,7 +333,7 @@ static void reg_regdb_search(struct work_struct *work)
const struct ieee80211_regdomain *curdom, *regdom;
int i, r;
- spin_lock(&reg_regdb_search_lock);
+ mutex_lock(&reg_regdb_search_mutex);
while (!list_empty(&reg_regdb_search_list)) {
request = list_first_entry(&reg_regdb_search_list,
struct reg_regdb_search_request,
@@ -346,18 +347,16 @@ static void reg_regdb_search(struct work_struct *work)
r = reg_copy_regd(&regdom, curdom);
if (r)
break;
- spin_unlock(&reg_regdb_search_lock);
mutex_lock(&cfg80211_mutex);
set_regdom(regdom);
mutex_unlock(&cfg80211_mutex);
- spin_lock(&reg_regdb_search_lock);
break;
}
}
kfree(request);
}
- spin_unlock(&reg_regdb_search_lock);
+ mutex_unlock(&reg_regdb_search_mutex);
}
static DECLARE_WORK(reg_regdb_work, reg_regdb_search);
@@ -375,9 +374,9 @@ static void reg_regdb_query(const char *alpha2)
memcpy(request->alpha2, alpha2, 2);
- spin_lock(&reg_regdb_search_lock);
+ mutex_lock(&reg_regdb_search_mutex);
list_add_tail(&request->list, &reg_regdb_search_list);
- spin_unlock(&reg_regdb_search_lock);
+ mutex_unlock(&reg_regdb_search_mutex);
schedule_work(&reg_regdb_work);
}