diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2014-06-04 13:34:56 +0200 |
|---|---|---|
| committer | Jiri Slaby <jslaby@suse.cz> | 2014-07-17 15:04:33 +0200 |
| commit | 424d0d5db0ee42556f21251760b4acde41caf553 (patch) | |
| tree | d9c505266f01409408aafffb5b0ab31032e6d490 /drivers/scsi/virtio_scsi.c | |
| parent | 4cd3c8a2ab579c2688b9db43aab1238411e10c93 (diff) | |
virtio-scsi: avoid cancelling uninitialized work items
commit cdda0e5acbb78f7b777049f8c27899e5c5bb368f upstream.
Calling the workqueue interface on uninitialized work items isn't a
good idea even if they're zeroed. It's not failing catastrophically only
through happy accidents.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Diffstat (limited to 'drivers/scsi/virtio_scsi.c')
| -rw-r--r-- | drivers/scsi/virtio_scsi.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c index 95a5d73e675c..57c39e1e6681 100644 --- a/drivers/scsi/virtio_scsi.c +++ b/drivers/scsi/virtio_scsi.c @@ -288,6 +288,8 @@ static void virtscsi_ctrl_done(struct virtqueue *vq) virtscsi_vq_done(vscsi, &vscsi->ctrl_vq, virtscsi_complete_free); }; +static void virtscsi_handle_event(struct work_struct *work); + static int virtscsi_kick_event(struct virtio_scsi *vscsi, struct virtio_scsi_event_node *event_node) { @@ -295,6 +297,7 @@ static int virtscsi_kick_event(struct virtio_scsi *vscsi, struct scatterlist sg; unsigned long flags; + INIT_WORK(&event_node->work, virtscsi_handle_event); sg_init_one(&sg, &event_node->event, sizeof(struct virtio_scsi_event)); spin_lock_irqsave(&vscsi->event_vq.vq_lock, flags); @@ -412,7 +415,6 @@ static void virtscsi_complete_event(struct virtio_scsi *vscsi, void *buf) { struct virtio_scsi_event_node *event_node = buf; - INIT_WORK(&event_node->work, virtscsi_handle_event); schedule_work(&event_node->work); } |