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author | David S. Miller <davem@davemloft.net> | 2011-03-10 14:26:00 -0800 |
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committer | David S. Miller <davem@davemloft.net> | 2011-03-10 14:26:00 -0800 |
commit | 33175d84ee3fa29991adb80513683e010769e807 (patch) | |
tree | 3731f61cf82451b6892cf1368701e57e35d92908 /drivers/char/virtio_console.c | |
parent | tg3: Remove 5750 PCI code (diff) | |
parent | ip6ip6: autoload ip6 tunnel (diff) | |
download | linux-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.c | 8 |
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; |