scsi: check req pointer before dereferencing it

Signed-off-by: Prasad Joshi <prasadjoshi.linux@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Prasad Joshi 2014-03-19 07:10:32 +05:30 committed by Paolo Bonzini
parent 7f6613cedc
commit b0f49d1387

View file

@ -479,12 +479,13 @@ static void
pvscsi_command_complete(SCSIRequest *req, uint32_t status, size_t resid)
{
PVSCSIRequest *pvscsi_req = req->hba_private;
PVSCSIState *s = pvscsi_req->dev;
PVSCSIState *s;
if (!pvscsi_req) {
trace_pvscsi_command_complete_not_found(req->tag);
return;
}
s = pvscsi_req->dev;
if (resid) {
/* Short transfer. */