[edk2-devel] [PATCH v1 1/1] NetworkPkg: Fixes to static code analysis hits

[Maciej Rabeda]

Introducing fixes to memory leak issues identified by static code analysis
tool.

Cc: Jiaxin Wu <jiaxin...@intel.com>
Cc: Siyuan Fu <siyuan...@intel.com>
Signed-off-by: Maciej Rabeda <maciej.rab...@linux.intel.com>
---
 NetworkPkg/Dhcp6Dxe/Dhcp6Io.c     | 1 +
 NetworkPkg/Ip4Dxe/Ip4If.c         | 6 +++++-
 NetworkPkg/TcpDxe/TcpDispatcher.c | 1 +
 3 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/NetworkPkg/Dhcp6Dxe/Dhcp6Io.c b/NetworkPkg/Dhcp6Dxe/Dhcp6Io.c
index 4f8393cb36ce..613b42149cc1 100644
--- a/NetworkPkg/Dhcp6Dxe/Dhcp6Io.c
+++ b/NetworkPkg/Dhcp6Dxe/Dhcp6Io.c
@@ -203,6 +203,7 @@ Dhcp6EnqueueRetry (
     //
     // Unexpected message type.
     //
+    FreePool(TxCb);
     return EFI_DEVICE_ERROR;
   }
 
diff --git a/NetworkPkg/Ip4Dxe/Ip4If.c b/NetworkPkg/Ip4Dxe/Ip4If.c
index 53a333037f94..348f2e076aed 100644
--- a/NetworkPkg/Ip4Dxe/Ip4If.c
+++ b/NetworkPkg/Ip4Dxe/Ip4If.c
@@ -491,9 +491,13 @@ Ip4CreateInterface (
   IP4_INTERFACE             *Interface;
   EFI_SIMPLE_NETWORK_MODE   SnpMode;
 
+  if (Mnp == NULL) {
+    return NULL;
+  }
+
   Interface = AllocatePool (sizeof (IP4_INTERFACE));
 
-  if ((Interface == NULL) || (Mnp == NULL)) {
+  if (Interface == NULL) {
     return NULL;
   }
 
diff --git a/NetworkPkg/TcpDxe/TcpDispatcher.c 
b/NetworkPkg/TcpDxe/TcpDispatcher.c
index 86beaf8cc513..9ae08ccc1c56 100644
--- a/NetworkPkg/TcpDxe/TcpDispatcher.c
+++ b/NetworkPkg/TcpDxe/TcpDispatcher.c
@@ -390,6 +390,7 @@ TcpAttachPcb (
                   );
   if (EFI_ERROR (Status)) {
     IpIoRemoveIp (IpIo, Tcb->IpInfo);
+    FreePool (Tcb);
     return Status;
   }
 
-- 
2.24.0.windows.2


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