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authorDavid S. Miller <davem@davemloft.net>2011-03-10 14:26:00 -0800
committerDavid S. Miller <davem@davemloft.net>2011-03-10 14:26:00 -0800
commit33175d84ee3fa29991adb80513683e010769e807 (patch)
tree3731f61cf82451b6892cf1368701e57e35d92908 /drivers/char/virtio_console.c
parenttg3: Remove 5750 PCI code (diff)
parentip6ip6: autoload ip6 tunnel (diff)
downloadlinux-dev-33175d84ee3fa29991adb80513683e010769e807.tar.xz
linux-dev-33175d84ee3fa29991adb80513683e010769e807.zip
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/bnx2x/bnx2x_cmn.c
Diffstat (limited to 'drivers/char/virtio_console.c')
-rw-r--r--drivers/char/virtio_console.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c
index 490393186338..84b164d1eb2b 100644
--- a/drivers/char/virtio_console.c
+++ b/drivers/char/virtio_console.c
@@ -388,6 +388,10 @@ static void discard_port_data(struct port *port)
unsigned int len;
int ret;
+ if (!port->portdev) {
+ /* Device has been unplugged. vqs are already gone. */
+ return;
+ }
vq = port->in_vq;
if (port->inbuf)
buf = port->inbuf;
@@ -470,6 +474,10 @@ static void reclaim_consumed_buffers(struct port *port)
void *buf;
unsigned int len;
+ if (!port->portdev) {
+ /* Device has been unplugged. vqs are already gone. */
+ return;
+ }
while ((buf = virtqueue_get_buf(port->out_vq, &len))) {
kfree(buf);
port->outvq_full = false;