IB: convert from semaphores to mutexes

semaphore to mutex conversion by Ingo and Arjan's script.

Signed-off-by: Ingo Molnar <mingo@elte.hu>
[ Sanity-checked on real IB hardware ]
Signed-off-by: Roland Dreier <rolandd@cisco.com>

1 files changed, 13 insertions, 13 deletions

diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index 7403bac1977b..98039da0caf0 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -55,7 +55,7 @@ MODULE_PARM_DESC(mcast_debug_level,
                  "Enable multicast debug tracing if > 0");
 #endif
 
-static DECLARE_MUTEX(mcast_mutex);
+static DEFINE_MUTEX(mcast_mutex);
 
 /* Used for all multicast joins (broadcast, IPv4 mcast and IPv6 mcast) */
 struct ipoib_mcast {
@@ -385,10 +385,10 @@ static void ipoib_mcast_join_complete(int status,
 
         if (!status && !ipoib_mcast_join_finish(mcast, mcmember)) {
                 mcast->backoff = 1;
-                down(&mcast_mutex);
+                mutex_lock(&mcast_mutex);
                 if (test_bit(IPOIB_MCAST_RUN, &priv->flags))
                         queue_work(ipoib_workqueue, &priv->mcast_task);
-                up(&mcast_mutex);
+                mutex_unlock(&mcast_mutex);
                 complete(&mcast->done);
                 return;
         }
@@ -418,7 +418,7 @@ static void ipoib_mcast_join_complete(int status,
 
         mcast->query = NULL;
 
-        down(&mcast_mutex);
+        mutex_lock(&mcast_mutex);
         if (test_bit(IPOIB_MCAST_RUN, &priv->flags)) {
                 if (status == -ETIMEDOUT)
                         queue_work(ipoib_workqueue, &priv->mcast_task);
@@ -427,7 +427,7 @@ static void ipoib_mcast_join_complete(int status,
                                            mcast->backoff * HZ);
         } else
                 complete(&mcast->done);
-        up(&mcast_mutex);
+        mutex_unlock(&mcast_mutex);
 
         return;
 }
@@ -482,12 +482,12 @@ static void ipoib_mcast_join(struct net_device *dev, struct ipoib_mcast *mcast,
                 if (mcast->backoff > IPOIB_MAX_BACKOFF_SECONDS)
                         mcast->backoff = IPOIB_MAX_BACKOFF_SECONDS;
 
-                down(&mcast_mutex);
+                mutex_lock(&mcast_mutex);
                 if (test_bit(IPOIB_MCAST_RUN, &priv->flags))
                         queue_delayed_work(ipoib_workqueue,
                                            &priv->mcast_task,
                                            mcast->backoff * HZ);
-                up(&mcast_mutex);
+                mutex_unlock(&mcast_mutex);
         } else
                 mcast->query_id = ret;
 }
@@ -520,11 +520,11 @@ void ipoib_mcast_join_task(void *dev_ptr)
                 priv->broadcast = ipoib_mcast_alloc(dev, 1);
                 if (!priv->broadcast) {
                         ipoib_warn(priv, "failed to allocate broadcast group\n");
-                        down(&mcast_mutex);
+                        mutex_lock(&mcast_mutex);
                         if (test_bit(IPOIB_MCAST_RUN, &priv->flags))
                                 queue_delayed_work(ipoib_workqueue,
                                                    &priv->mcast_task, HZ);
-                        up(&mcast_mutex);
+                        mutex_unlock(&mcast_mutex);
                         return;
                 }
 
@@ -580,10 +580,10 @@ int ipoib_mcast_start_thread(struct net_device *dev)
 
         ipoib_dbg_mcast(priv, "starting multicast thread\n");
 
-        down(&mcast_mutex);
+        mutex_lock(&mcast_mutex);
         if (!test_and_set_bit(IPOIB_MCAST_RUN, &priv->flags))
                 queue_work(ipoib_workqueue, &priv->mcast_task);
-        up(&mcast_mutex);
+        mutex_unlock(&mcast_mutex);
 
         return 0;
 }
@@ -595,10 +595,10 @@ int ipoib_mcast_stop_thread(struct net_device *dev, int flush)
 
         ipoib_dbg_mcast(priv, "stopping multicast thread\n");
 
-        down(&mcast_mutex);
+        mutex_lock(&mcast_mutex);
         clear_bit(IPOIB_MCAST_RUN, &priv->flags);
         cancel_delayed_work(&priv->mcast_task);
-        up(&mcast_mutex);
+        mutex_unlock(&mcast_mutex);
 
         if (flush)
                 flush_workqueue(ipoib_workqueue);