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ppc/spapr_events: fix potential NULL pointer dereference in rtas_event_log_dequeue 

This fixes coverity issues 68911917:
        360
    CID 68911917: (NULL_RETURNS)
        361. dereference: Dereferencing "source", which is known to be
             "NULL".
        361        if (source->mask & event_mask) {
        362            break;
        363        }

Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: PanNengyuan <pannengyuan@huawei.com>
Message-Id: <1574685291-38176-1-git-send-email-pannengyuan@huawei.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
PanNengyuan 2019-11-25 20:34:51 +08:00 committed by David Gibson
parent 6cf80f90c4
commit 59d0533b85
1 changed files with 1 additions and 0 deletions
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1
hw/ppc/spapr_events.c
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@ -358,6 +358,7 @@ static SpaprEventLogEntry *rtas_event_log_dequeue(SpaprMachineState *spapr,
rtas_event_log_to_source(spapr,
spapr_event_log_entry_type(entry));
g_assert(source);
if (source->mask & event_mask) {
break;
}