Merge branch 'vhost' of git://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost

[pandora-kernel.git] / drivers / vhost / net.c

diff --git a/drivers/vhost/net.c b/drivers/vhost/net.c
index ad37da2..aa88911 100644 (file)
--- a/drivers/vhost/net.c
+++ b/drivers/vhost/net.c
@@ -17,6 +17,7 @@
 #include <linux/workqueue.h>
 #include <linux/rcupdate.h>
 #include <linux/file.h>
+#include <linux/slab.h>
 
 #include <linux/net.h>
 #include <linux/if_packet.h>
@@ -125,7 +126,7 @@ static void handle_tx(struct vhost_net *net)
        mutex_lock(&vq->mutex);
        vhost_disable_notify(vq);
 
-       if (wmem < sock->sk->sk_sndbuf * 2)
+       if (wmem < sock->sk->sk_sndbuf / 2)
                tx_poll_stop(net);
        hdr_size = vq->hdr_size;
 
@@ -508,12 +509,12 @@ static long vhost_net_set_backend(struct vhost_net *n, unsigned index, int fd)
        /* Verify that ring has been setup correctly. */
        if (!vhost_vq_access_ok(vq)) {
                r = -EFAULT;
-               goto err;
+               goto err_vq;
        }
        sock = get_socket(fd);
        if (IS_ERR(sock)) {
                r = PTR_ERR(sock);
-               goto err;
+               goto err_vq;
        }
 
        /* start polling new socket */
@@ -524,12 +525,14 @@ static long vhost_net_set_backend(struct vhost_net *n, unsigned index, int fd)
        vhost_net_disable_vq(n, vq);
        rcu_assign_pointer(vq->private_data, sock);
        vhost_net_enable_vq(n, vq);
-       mutex_unlock(&vq->mutex);
 done:
        if (oldsock) {
                vhost_net_flush_vq(n, index);
                fput(oldsock->file);
        }
+
+err_vq:
+       mutex_unlock(&vq->mutex);
 err:
        mutex_unlock(&n->dev.mutex);
        return r;
@@ -639,7 +642,7 @@ static struct miscdevice vhost_net_misc = {
        &vhost_net_fops,
 };
 
-int vhost_net_init(void)
+static int vhost_net_init(void)
 {
        int r = vhost_init();
        if (r)
@@ -656,7 +659,7 @@ err_init:
 }
 module_init(vhost_net_init);
 
-void vhost_net_exit(void)
+static void vhost_net_exit(void)
 {
        misc_deregister(&vhost_net_misc);
        vhost_cleanup();