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Diffstat (limited to 'net/smc/smc_ism.c')
-rw-r--r--net/smc/smc_ism.c11
1 files changed, 6 insertions, 5 deletions
diff --git a/net/smc/smc_ism.c b/net/smc/smc_ism.c
index 91f85fc09fb8..998c525de785 100644
--- a/net/smc/smc_ism.c
+++ b/net/smc/smc_ism.c
@@ -7,6 +7,7 @@
*/
#include <linux/spinlock.h>
+#include <linux/mutex.h>
#include <linux/slab.h>
#include <asm/page.h>
@@ -17,7 +18,7 @@
struct smcd_dev_list smcd_dev_list = {
.list = LIST_HEAD_INIT(smcd_dev_list.list),
- .lock = __SPIN_LOCK_UNLOCKED(smcd_dev_list.lock)
+ .mutex = __MUTEX_INITIALIZER(smcd_dev_list.mutex)
};
/* Test if an ISM communication is possible. */
@@ -317,9 +318,9 @@ EXPORT_SYMBOL_GPL(smcd_alloc_dev);
int smcd_register_dev(struct smcd_dev *smcd)
{
- spin_lock(&smcd_dev_list.lock);
+ mutex_lock(&smcd_dev_list.mutex);
list_add_tail(&smcd->list, &smcd_dev_list.list);
- spin_unlock(&smcd_dev_list.lock);
+ mutex_unlock(&smcd_dev_list.mutex);
pr_warn_ratelimited("smc: adding smcd device %s with pnetid %.16s%s\n",
dev_name(&smcd->dev), smcd->pnetid,
@@ -333,9 +334,9 @@ void smcd_unregister_dev(struct smcd_dev *smcd)
{
pr_warn_ratelimited("smc: removing smcd device %s\n",
dev_name(&smcd->dev));
- spin_lock(&smcd_dev_list.lock);
+ mutex_lock(&smcd_dev_list.mutex);
list_del_init(&smcd->list);
- spin_unlock(&smcd_dev_list.lock);
+ mutex_unlock(&smcd_dev_list.mutex);
smcd->going_away = 1;
smc_smcd_terminate_all(smcd);
flush_workqueue(smcd->event_wq);