X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=KernelLand%2FModules%2FIPStack%2Fbuffer.c;fp=KernelLand%2FModules%2FIPStack%2Fbuffer.c;h=727511ebe4dbc887696a83a51a9685dc438b0590;hb=e5d5d8189f058003c64b99863a411c010860e110;hp=2555a6359d3b8a7ee214192aad8edef04a5e7f40;hpb=0e844bc15a212d0e933b6243a9a9964ab7925c4f;p=tpg%2Facess2.git

diff --git a/KernelLand/Modules/IPStack/buffer.c b/KernelLand/Modules/IPStack/buffer.c
index 2555a635..727511eb 100644
--- a/KernelLand/Modules/IPStack/buffer.c
+++ b/KernelLand/Modules/IPStack/buffer.c
@@ -172,8 +172,10 @@ int IPStack_Buffer_GetBuffer(tIPStackBuffer *Buffer, int Index, size_t *Length,
 				return -1;
 		}
 
-		*DataPtr = (Uint8*)Buffer->SubBuffers[Index].Data + Buffer->SubBuffers[Index].PreLength;
-		*Length = Buffer->SubBuffers[Index].PostLength;
+		if( DataPtr )
+			*DataPtr = (Uint8*)Buffer->SubBuffers[Index].Data + Buffer->SubBuffers[Index].PreLength;
+		if( Length )
+			*Length = Buffer->SubBuffers[Index].PostLength;
 
 		return (Index + 1) + Buffer->nSubBuffers;
 	}
@@ -182,8 +184,10 @@ int IPStack_Buffer_GetBuffer(tIPStackBuffer *Buffer, int Index, size_t *Length,
 		 int	rv = Index + 1;
 		Index = Buffer->nSubBuffers - Index - 1;
 		// Prepended buffers
-		*DataPtr = Buffer->SubBuffers[Index].Data;
-		*Length = Buffer->SubBuffers[Index].PreLength;
+		if( DataPtr )
+			*DataPtr = Buffer->SubBuffers[Index].Data;
+		if( Length )
+			*Length = Buffer->SubBuffers[Index].PreLength;
 		return rv;
 	}
 }