diff --git a/indra/llrender/llvertexbuffer.cpp b/indra/llrender/llvertexbuffer.cpp
index ee7971f788e0f5bb775b1d6178060897cd36dc82..0fae600a90b7e0e8e743e78377b8678f026ddcb0 100644
--- a/indra/llrender/llvertexbuffer.cpp
+++ b/indra/llrender/llvertexbuffer.cpp
@@ -153,31 +153,27 @@ LLVBOPool::LLVBOPool(U32 vboUsage, U32 vboType)
 
 volatile U8* LLVBOPool::allocate(U32& name, U32 size, bool for_seed)
 {
-	if (vbo_block_size(size) != size)
-    {
-        LL_WARNS() << "Invalid vbo block size " << size << "; not allocating" << LL_ENDL;
-        return NULL;
-    }
+	llassert(vbo_block_size(size) == size);
 	
 	volatile U8* ret = NULL;
 
-	U32 block_index = vbo_block_index(size);
+	U32 i = vbo_block_index(size);
 
-	if (mFreeList.size() <= block_index)
+	if (mFreeList.size() <= i)
 	{
-		mFreeList.resize(block_index+1);
+		mFreeList.resize(i+1);
 	}
 
-	if (mFreeList[block_index].empty() || for_seed)
+	if (mFreeList[i].empty() || for_seed)
 	{
 		//make a new buffer
 		name = genBuffer();
 		
 		glBindBufferARB(mType, name);
 
-		if (!for_seed && block_index < LL_VBO_POOL_SEED_COUNT)
+		if (!for_seed && i < LL_VBO_POOL_SEED_COUNT)
 		{ //record this miss
-			mMissCount[block_index]++;	
+			mMissCount[i]++;	
 		}
 
 		if (mType == GL_ARRAY_BUFFER_ARB)
@@ -206,11 +202,7 @@ volatile U8* LLVBOPool::allocate(U32& name, U32 size, bool for_seed)
 
 		if (for_seed)
 		{ //put into pool for future use
-			if (mFreeList.size() <= block_index)
-            {
-                LL_WARNS() << "VBO free list is not big enough for size " << size << LL_ENDL;
-                return NULL;
-            }
+			llassert(mFreeList.size() > i);
 
 			Record rec;
 			rec.mGLName = name;
@@ -224,13 +216,13 @@ volatile U8* LLVBOPool::allocate(U32& name, U32 size, bool for_seed)
 			{
 				sIndexBytesPooled += size;
 			}
-			mFreeList[block_index].push_back(rec);
+			mFreeList[i].push_back(rec);
 		}
 	}
 	else
 	{
-		name = mFreeList[block_index].front().mGLName;
-		ret = mFreeList[block_index].front().mClientData;
+		name = mFreeList[i].front().mGLName;
+		ret = mFreeList[i].front().mClientData;
 
 		if (mType == GL_ARRAY_BUFFER_ARB)
 		{
@@ -241,7 +233,7 @@ volatile U8* LLVBOPool::allocate(U32& name, U32 size, bool for_seed)
 			sIndexBytesPooled -= size;
 		}
 
-		mFreeList[block_index].pop_front();
+		mFreeList[i].pop_front();
 	}
 
 	return ret;
@@ -273,7 +265,7 @@ void LLVBOPool::seedPool()
 		mFreeList.resize(LL_VBO_POOL_SEED_COUNT);
 	}
 
-	for (U32 i = 0; i < mFreeList.size(); i++)
+	for (U32 i = 0; i < LL_VBO_POOL_SEED_COUNT; i++)
 	{
 		if (mMissCount[i] > mFreeList[i].size())
 		{