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-rw-r--r--NetworkPkg/DnsDxe/DnsDhcp.c2
-rw-r--r--NetworkPkg/DnsDxe/DnsImpl.c4
-rw-r--r--NetworkPkg/HttpDxe/HttpDriver.c2
-rw-r--r--NetworkPkg/HttpDxe/HttpImpl.c4
4 files changed, 10 insertions, 2 deletions
diff --git a/NetworkPkg/DnsDxe/DnsDhcp.c b/NetworkPkg/DnsDxe/DnsDhcp.c
index 4607f7b633..1cc337f0cf 100644
--- a/NetworkPkg/DnsDxe/DnsDhcp.c
+++ b/NetworkPkg/DnsDxe/DnsDhcp.c
@@ -301,6 +301,8 @@ GetDns4ServerFromDhcp4 (
Data = NULL;
InterfaceInfo = NULL;
+ ZeroMem ((UINT8 *) ParaList, sizeof (ParaList));
+
ZeroMem (&MnpConfigData, sizeof (EFI_MANAGED_NETWORK_CONFIG_DATA));
ZeroMem (&DnsServerInfor, sizeof (DNS4_SERVER_INFOR));
diff --git a/NetworkPkg/DnsDxe/DnsImpl.c b/NetworkPkg/DnsDxe/DnsImpl.c
index c227093986..b196d181ca 100644
--- a/NetworkPkg/DnsDxe/DnsImpl.c
+++ b/NetworkPkg/DnsDxe/DnsImpl.c
@@ -1049,6 +1049,7 @@ IsValidDnsResponse (
continue;
} else {
TxString = NetbufGetByte (Packet, 0, NULL);
+ ASSERT (TxString != NULL);
DnsHeader = (DNS_HEADER *) TxString;
QueryName = (CHAR8 *) (TxString + sizeof (*DnsHeader));
QuerySection = (DNS_QUERY_SECTION *) (QueryName + AsciiStrLen (QueryName) + 1);
@@ -1426,7 +1427,8 @@ DnsOnPacketReceived (
ASSERT (Packet != NULL);
RcvString = NetbufGetByte (Packet, 0, NULL);
-
+ ASSERT (RcvString != NULL);
+
//
// Parse Dns Response
//
diff --git a/NetworkPkg/HttpDxe/HttpDriver.c b/NetworkPkg/HttpDxe/HttpDriver.c
index b65607a4cb..43f42e29bf 100644
--- a/NetworkPkg/HttpDxe/HttpDriver.c
+++ b/NetworkPkg/HttpDxe/HttpDriver.c
@@ -79,7 +79,7 @@ HttpCleanService (
IN HTTP_SERVICE *HttpService
)
{
- if (HttpService != NULL) {
+ if (HttpService == NULL) {
return ;
}
diff --git a/NetworkPkg/HttpDxe/HttpImpl.c b/NetworkPkg/HttpDxe/HttpImpl.c
index 4bd4ac884f..545fe42332 100644
--- a/NetworkPkg/HttpDxe/HttpImpl.c
+++ b/NetworkPkg/HttpDxe/HttpImpl.c
@@ -766,6 +766,10 @@ HttpResponseWorker (
HTTP_TOKEN_WRAP *ValueInItem;
UINTN HdrLen;
+ if (Wrap == NULL || Wrap->HttpInstance == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
HttpInstance = Wrap->HttpInstance;
Token = Wrap->HttpToken;