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fix null pointer is not verified

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Signed-off-by: liqiao49 <liqiao49@huawei.com>
This commit is contained in:
liqiao49
2023-07-13 09:47:27 +08:00
parent 6402665119
commit d7b94e61bb
1 changed files with 4 additions and 0 deletions
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interfaces/ipc/src/distributed_input_sink_stub.cpp
+4
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@@ -138,6 +138,10 @@ int32_t DistributedInputSinkStub::NotifyStopDScreenInner(MessageParcel &data, Me
int32_t DistributedInputSinkStub::RegisterSharingDhIdListenerInner(MessageParcel &data, MessageParcel &reply,
MessageOption &option)
{
if (data.ReadRemoteObject() == nullptr) {
DHLOGE("RegisterSharingDhIdListenerInner failed, data.ReadRemoteObject is nullptr.");
return ERR_DH_INPUT_SINK_STUB_REGISTER_SHARING_DHID_LISTENER_FAIL;
}
sptr<ISharingDhIdListener> listener = iface_cast<ISharingDhIdListener>(data.ReadRemoteObject());
int32_t ret = RegisterSharingDhIdListener(listener);
if (!reply.WriteInt32(ret)) {