Fix two more memif coverity issues

Change-Id: Iff7e1562d395f1f2e000fa8c2e98bb85969479d7
Signed-off-by: Milan Lenco <milan.lenco@pantheon.tech>

2 files changed, 32 insertions, 25 deletions

diff --git a/src/plugins/memif/memif.c b/src/plugins/memif/memif.c
index 3ea95f3bb6e..f4358626dde 100644
--- a/src/plugins/memif/memif.c
+++ b/src/plugins/memif/memif.c
@@ -241,6 +241,7 @@ memif_process_connect_req (memif_pending_conn_t * pending_conn,
   uf->private_data = mif->if_index << 1;
   mif->connection = pending_conn->connection;
   pool_put (mm->pending_conns, pending_conn);
+  pending_conn = 0;
 
   memif_connect (vm, mif);
 
@@ -252,7 +253,17 @@ response:
     {
       DEBUG_UNIX_LOG ("Failed to send connection response");
       error = clib_error_return_unix (0, "send fd %d", fd);
-      memif_disconnect (vm, mif);
+      if (pending_conn)
+	memif_remove_pending_conn (pending_conn);
+      else
+	memif_disconnect (vm, mif);
+    }
+  if (retval > 0)
+    {
+      if (shm_fd >= 0)
+	close (shm_fd);
+      if (int_fd >= 0)
+	close (int_fd);
     }
   return error;
 }
diff --git a/src/plugins/memif/node.c b/src/plugins/memif/node.c
index 298472b04b7..659d5dfb5ee 100644
--- a/src/plugins/memif/node.c
+++ b/src/plugins/memif/node.c
@@ -214,20 +214,19 @@ memif_device_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
 
 	  if (PREDICT_FALSE (n_trace > 0))
 	    {
-	      if (b0)
-		{
-		  memif_input_trace_t *tr;
-		  vlib_trace_buffer (vm, node, next0, b0,
-				     /* follow_chain */ 0);
-		  vlib_set_trace_count (vm, node, --n_trace);
-		  tr = vlib_add_trace (vm, node, b0, sizeof (*tr));
-		  tr->next_index = next0;
-		  tr->hw_if_index = mif->hw_if_index;
-		  tr->ring = rid;
-		}
-
-	      if (n_trace && b1)
+	      /* b0 */
+	      memif_input_trace_t *tr;
+	      vlib_trace_buffer (vm, node, next0, b0,
+				 /* follow_chain */ 0);
+	      vlib_set_trace_count (vm, node, --n_trace);
+	      tr = vlib_add_trace (vm, node, b0, sizeof (*tr));
+	      tr->next_index = next0;
+	      tr->hw_if_index = mif->hw_if_index;
+	      tr->ring = rid;
+
+	      if (n_trace)
 		{
+		  /* b1 */
 		  memif_input_trace_t *tr;
 		  vlib_trace_buffer (vm, node, next1, b1,
 				     /* follow_chain */ 0);
@@ -286,17 +285,14 @@ memif_device_input_inline (vlib_main_t * vm, vlib_node_runtime_t * node,
 
 	  if (PREDICT_FALSE (n_trace > 0))
 	    {
-	      if (b0)
-		{
-		  memif_input_trace_t *tr;
-		  vlib_trace_buffer (vm, node, next0, b0,
-				     /* follow_chain */ 0);
-		  vlib_set_trace_count (vm, node, --n_trace);
-		  tr = vlib_add_trace (vm, node, b0, sizeof (*tr));
-		  tr->next_index = next0;
-		  tr->hw_if_index = mif->hw_if_index;
-		  tr->ring = rid;
-		}
+	      memif_input_trace_t *tr;
+	      vlib_trace_buffer (vm, node, next0, b0,
+				 /* follow_chain */ 0);
+	      vlib_set_trace_count (vm, node, --n_trace);
+	      tr = vlib_add_trace (vm, node, b0, sizeof (*tr));
+	      tr->next_index = next0;
+	      tr->hw_if_index = mif->hw_if_index;
+	      tr->ring = rid;
 	    }