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Add check before free DevicePath (TCP child sock will have no device path installed)

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9617 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
xdu2 2009-12-25 09:49:38 +00:00
parent 41335d2244
commit 29056ed2de
1 changed files with 9 additions and 7 deletions
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16
MdeModulePkg/Universal/Network/Tcp4Dxe/Tcp4Dispatcher.c
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@ -227,14 +227,16 @@ Tcp4FlushPcb (
RemoveEntryList (&Tcb->List);
//
// Uninstall the device path protocl.
// Uninstall the device path protocol.
//
gBS->UninstallProtocolInterface (
Sock->SockHandle,
&gEfiDevicePathProtocolGuid,
Sock->DevicePath
);
FreePool (Sock->DevicePath);
if (Sock->DevicePath != NULL) {
gBS->UninstallProtocolInterface (
Sock->SockHandle,
&gEfiDevicePathProtocolGuid,
Sock->DevicePath
);
FreePool (Sock->DevicePath);
}
TcpSetVariableData (TcpProto->TcpService);
}