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authorAlexander Beregalov2009-04-11 16:50:23 +0200
committerDavid S. Miller2009-04-14 00:44:36 +0200
commit0ee904c35cc3fdd26a9c76077d9692d458309186 (patch)
treece1dee044974b7c6040bbdb794747cd1baa8f6bb /drivers/net/virtio_net.c
parentkaweth: Clean up code (diff)
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drivers/net: replace BUG() with BUG_ON() if possible
Signed-off-by: Alexander Beregalov <a.beregalov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/virtio_net.c')
-rw-r--r--drivers/net/virtio_net.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 9c82a39497e5..071855871524 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -621,12 +621,9 @@ static bool virtnet_send_command(struct virtnet_info *vi, u8 class, u8 cmd,
virtio_net_ctrl_ack status = ~0;
unsigned int tmp;
- if (!virtio_has_feature(vi->vdev, VIRTIO_NET_F_CTRL_VQ)) {
- BUG(); /* Caller should know better */
- return false;
- }
-
- BUG_ON(out + in > VIRTNET_SEND_COMMAND_SG_MAX);
+ /* Caller should know better */
+ BUG_ON(!virtio_has_feature(vi->vdev, VIRTIO_NET_F_CTRL_VQ) ||
+ (out + in > VIRTNET_SEND_COMMAND_SG_MAX));
out++; /* Add header */
in++; /* Add return status */
@@ -640,8 +637,7 @@ static bool virtnet_send_command(struct virtnet_info *vi, u8 class, u8 cmd,
memcpy(&sg[1], data, sizeof(struct scatterlist) * (out + in - 2));
sg_set_buf(&sg[out + in - 1], &status, sizeof(status));
- if (vi->cvq->vq_ops->add_buf(vi->cvq, sg, out, in, vi) != 0)
- BUG();
+ BUG_ON(vi->cvq->vq_ops->add_buf(vi->cvq, sg, out, in, vi));
vi->cvq->vq_ops->kick(vi->cvq);