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[PULL 8/8] ppc/spapr_events: fix potential NULL pointer dereference in r


From: David Gibson
Subject: [PULL 8/8] ppc/spapr_events: fix potential NULL pointer dereference in rtas_event_log_dequeue
Date: Tue, 26 Nov 2019 17:01:51 +1100

From: PanNengyuan <address@hidden>

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 <address@hidden>
Signed-off-by: PanNengyuan <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: David Gibson <address@hidden>
---
 hw/ppc/spapr_events.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/hw/ppc/spapr_events.c b/hw/ppc/spapr_events.c
index 0e4c19523a..e355e000d0 100644
--- a/hw/ppc/spapr_events.c
+++ b/hw/ppc/spapr_events.c
@@ -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;
         }
-- 
2.23.0




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