- Use a spin lock to protect OSKit instead of a recursive mutex

[reactos.git] / reactos / lib / drivers / ip / transport / rawip / rawip.c

diff --git a/reactos/lib/drivers/ip/transport/rawip/rawip.c b/reactos/lib/drivers/ip/transport/rawip/rawip.c
index f7b9b6d..328337c 100644 (file)
--- a/reactos/lib/drivers/ip/transport/rawip/rawip.c
+++ b/reactos/lib/drivers/ip/transport/rawip/rawip.c
@@ -195,6 +195,9 @@ NTSTATUS RawIPSendDatagram(
     USHORT RemotePort;
     NTSTATUS Status;
     PNEIGHBOR_CACHE_ENTRY NCE;
+    KIRQL OldIrql;
+
+    KeAcquireSpinLock(&AddrFile->Lock, &OldIrql);
 
     TI_DbgPrint(MID_TRACE,("Sending Datagram(%x %x %x %d)\n",
                           AddrFile, ConnInfo, BufferData, DataSize));
@@ -209,13 +212,17 @@ NTSTATUS RawIPSendDatagram(
        break;
 
     default:
+       KeReleaseSpinLock(&AddrFile->Lock, OldIrql);
        return STATUS_UNSUCCESSFUL;
     }
 
     TI_DbgPrint(MID_TRACE,("About to get route to destination\n"));
 
     if(!(NCE = RouteGetRouteToDestination( &RemoteAddress )))
+    {
+       KeReleaseSpinLock(&AddrFile->Lock, OldIrql);
        return STATUS_NETWORK_UNREACHABLE;
+    }
 
     LocalAddress = AddrFile->Address;
     if (AddrIsUnspecified(&LocalAddress))
@@ -237,18 +244,24 @@ NTSTATUS RawIPSendDatagram(
                                DataSize );
 
     if( !NT_SUCCESS(Status) )
+    {
+       KeReleaseSpinLock(&AddrFile->Lock, OldIrql);
        return Status;
+    }
 
     TI_DbgPrint(MID_TRACE,("About to send datagram\n"));
 
     if (!NT_SUCCESS(Status = IPSendDatagram( &Packet, NCE, RawIpSendPacketComplete, NULL )))
     {
+       KeReleaseSpinLock(&AddrFile->Lock, OldIrql);
         FreeNdisPacket(Packet.NdisPacket);
         return Status;
     }
 
     TI_DbgPrint(MID_TRACE,("Leaving\n"));
 
+    KeReleaseSpinLock(&AddrFile->Lock, OldIrql);
+
     return STATUS_SUCCESS;
 }