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| author | Ingo Molnar <mingo@elte.hu> | 2011-03-08 17:21:49 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-03-08 17:21:52 +0100 |
| commit | 86cb2ec7b22a0a89b8660110dc03321fadbef45f (patch) | |
| tree | c4162b0ab7c4e3602e2b7a6a6fd47c55c3315fea /drivers/char/virtio_console.c | |
| parent | 7f0030b211579939461468f25b80c73e293c46e0 (diff) | |
| parent | a5abba989deceb731047425812d268daf7536575 (diff) | |
Merge commit 'v2.6.38-rc8' into perf/core
Merge reason: Merge latest fixes.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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 49039318633..84b164d1eb2 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; |