igb_uio: fix build with kernel older than 3.3

[dpdk.git] / lib / librte_pmd_virtio / virtqueue.c

diff --git a/lib/librte_pmd_virtio/virtqueue.c b/lib/librte_pmd_virtio/virtqueue.c
index c9fa164..8a3005f 100644 (file)
--- a/lib/librte_pmd_virtio/virtqueue.c
+++ b/lib/librte_pmd_virtio/virtqueue.c
@@ -1,13 +1,13 @@
 /*-
  *   BSD LICENSE
- * 
- *   Copyright(c) 2010-2013 Intel Corporation. All rights reserved.
+ *
+ *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
  *   All rights reserved.
- * 
+ *
  *   Redistribution and use in source and binary forms, with or without
  *   modification, are permitted provided that the following conditions
  *   are met:
- * 
+ *
  *     * Redistributions of source code must retain the above copyright
  *       notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above copyright
@@ -17,7 +17,7 @@
  *     * Neither the name of Intel Corporation nor the names of its
  *       contributors may be used to endorse or promote products derived
  *       from this software without specific prior written permission.
- * 
+ *
  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
@@ -60,11 +60,11 @@ virtqueue_detatch_unused(struct virtqueue *vq)
        struct rte_mbuf *cookie;
        int idx;
 
-       for(idx = 0; idx < vq->vq_nentries; idx++) {
+       for (idx = 0; idx < vq->vq_nentries; idx++) {
                if ((cookie = vq->vq_descx[idx].cookie) != NULL) {
                        vq->vq_descx[idx].cookie = NULL;
                        return cookie;
                }
        }
-       return (NULL);
+       return NULL;
 }