[PATCH v4 1/5] server: Return early if there's no queue in queue requests.

[Rémi Bernon]

From: Rémi Bernon

---
 server/queue.c | 52 +++++++++++++++++++++++---------------------------
 1 file changed, 24 insertions(+), 28 deletions(-)

diff --git a/server/queue.c b/server/queue.c
index b6cff69f38f..b62e557aa18 100644
--- a/server/queue.c
+++ b/server/queue.c
@@ -3155,24 +3155,22 @@ DECL_HANDLER(set_queue_fd)
 DECL_HANDLER(set_queue_mask)
 {
     struct msg_queue *queue = get_current_queue();
+    queue_shm_t *queue_shm;

-    if (queue)
-    {
-        queue_shm_t *queue_shm = queue->shared;
-
-        SHARED_WRITE_BEGIN( queue_shm, queue_shm_t )
-        {
-            shared->wake_mask = req->wake_mask;
-            shared->changed_mask = req->changed_mask;
-        }
-        SHARED_WRITE_END;
-
-        reply->wake_bits    = queue_shm->wake_bits;
-        reply->changed_bits = queue_shm->changed_bits;
+    if (!queue) return;
+    queue_shm = queue->shared;

-        if (!get_queue_status( queue )) reset_queue_sync( queue );
-        else signal_queue_sync( queue );
+    SHARED_WRITE_BEGIN( queue_shm, queue_shm_t )
+    {
+        shared->wake_mask    = req->wake_mask;
+        shared->changed_mask = req->changed_mask;
+        reply->wake_bits     = shared->wake_bits;
+        reply->changed_bits  = shared->changed_bits;
     }
+    SHARED_WRITE_END;
+
+    if (!get_queue_status( queue )) reset_queue_sync( queue );
+    else signal_queue_sync( queue );
 }

@@ -3180,22 +3178,20 @@ DECL_HANDLER(set_queue_mask)
 DECL_HANDLER(get_queue_status)
 {
     struct msg_queue *queue = current->queue;
-    if (queue)
-    {
-        queue_shm_t *queue_shm = queue->shared;
-
-        reply->wake_bits    = queue_shm->wake_bits;
-        reply->changed_bits = queue_shm->changed_bits;
+    queue_shm_t *queue_shm;

-        SHARED_WRITE_BEGIN( queue_shm, queue_shm_t )
-        {
-            shared->changed_bits &= ~req->clear_bits;
-        }
-        SHARED_WRITE_END;
+    if (!queue) return;
+    queue_shm = queue->shared;

-        if (!get_queue_status( queue )) reset_queue_sync( queue );
+    SHARED_WRITE_BEGIN( queue_shm, queue_shm_t )
+    {
+        reply->wake_bits      = shared->wake_bits;
+        reply->changed_bits   = shared->changed_bits;
+        shared->changed_bits &= ~req->clear_bits;
     }
-    else reply->wake_bits = reply->changed_bits = 0;
+    SHARED_WRITE_END;
+
+    if (!get_queue_status( queue )) reset_queue_sync( queue );
 }