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* [PATCH V2] ppc/spapr_events: fix potential NULL pointer dereference in rtas_event_log_dequeue
@ 2019-11-25 12:34 pannengyuan
  2019-11-25 23:13 ` David Gibson
  0 siblings, 1 reply; 2+ messages in thread
From: pannengyuan @ 2019-11-25 12:34 UTC (permalink / raw)
  To: david; +Cc: kuhn.chenqun, qemu-arm, PanNengyuan, qemu-devel, kenny.zhangjun

From: PanNengyuan <pannengyuan@huawei.com>

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>
---
 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 0e4c195..e355e00 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;
         }
-- 
2.7.2.windows.1




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2019-11-25 12:34 [PATCH V2] ppc/spapr_events: fix potential NULL pointer dereference in rtas_event_log_dequeue pannengyuan
2019-11-25 23:13 ` David Gibson

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