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[Qemu-stable] [PATCH v1 1/1] (for-2.5) virtio-scsi: don't crash without
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From: |
Eugene (jno) Dvurechenski |
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Subject: |
[Qemu-stable] [PATCH v1 1/1] (for-2.5) virtio-scsi: don't crash without a valid device |
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Date: |
Thu, 26 Nov 2015 15:45:35 +0100 |
Make sure that we actually have a device when checking the aio
context. Otherwise guests could trigger QEMU crashes.
Signed-off-by: "Eugene (jno) Dvurechenski" <address@hidden>
Reviewed-by: David Hildenbrand <address@hidden>
---
hw/scsi/virtio-scsi.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/hw/scsi/virtio-scsi.c b/hw/scsi/virtio-scsi.c
index 7655401..3a4f520 100644
--- a/hw/scsi/virtio-scsi.c
+++ b/hw/scsi/virtio-scsi.c
@@ -250,7 +250,7 @@ static int virtio_scsi_do_tmf(VirtIOSCSI *s, VirtIOSCSIReq
*req)
int target;
int ret = 0;
- if (s->dataplane_started) {
+ if (s->dataplane_started && d) {
assert(blk_get_aio_context(d->conf.blk) == s->ctx);
}
/* Here VIRTIO_SCSI_S_OK means "FUNCTION COMPLETE". */
--
2.3.9