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authorStefan Hajnoczi <stefanha@redhat.com>2013-05-30 16:14:44 +0200
committerMichael Roth <mdroth@linux.vnet.ibm.com>2013-06-18 12:59:44 -0500
commit5e690bb9748e50e0deb406e982a17c0c7b6e65cf (patch)
tree344be75e053040c4ea501d8c8da4422a77bc46b2
parent129db3679c45bfc86d2003ebea808a2d626820e7 (diff)
downloadqemu-5e690bb9748e50e0deb406e982a17c0c7b6e65cf.tar.gz
vhost-scsi: fix k->set_guest_notifiers() NULL dereference
Coverity picked up a copy-paste bug. In vhost_scsi_start() we check for !k->set_guest_notifiers and error out. The check probably got copied but instead of erroring we actually use the function pointer! Cc: Nicholas Bellinger <nab@linux-iscsi.org> Cc: Asias He <asias@redhat.com> Cc: qemu-stable@nongnu.org Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> (cherry picked from commit 0e22a2d18998fd183c8181663981eb681ca977e9) Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
-rw-r--r--hw/scsi/vhost-scsi.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/hw/scsi/vhost-scsi.c b/hw/scsi/vhost-scsi.c
index d7a1c33183..785e93f545 100644
--- a/hw/scsi/vhost-scsi.c
+++ b/hw/scsi/vhost-scsi.c
@@ -123,7 +123,7 @@ static void vhost_scsi_stop(VHostSCSI *s)
VirtioBusClass *k = VIRTIO_BUS_GET_CLASS(qbus);
int ret = 0;
- if (!k->set_guest_notifiers) {
+ if (k->set_guest_notifiers) {
ret = k->set_guest_notifiers(qbus->parent, s->dev.nvqs, false);
if (ret < 0) {
error_report("vhost guest notifier cleanup failed: %d\n", ret);