diff --git a/src/gallium/drivers/r600/r600_buffer_common.c b/src/gallium/drivers/r600/r600_buffer_common.c
index e00bb0e0edb..a47faafa928 100644
--- a/src/gallium/drivers/r600/r600_buffer_common.c
+++ b/src/gallium/drivers/r600/r600_buffer_common.c
@@ -310,18 +310,13 @@ static void *r600_buffer_get_transfer(struct pipe_context *ctx,
 	struct r600_transfer *transfer;
 
 	if (usage & TC_TRANSFER_MAP_THREADED_UNSYNC)
-		transfer = slab_alloc(&rctx->pool_transfers_unsync);
+		transfer = slab_zalloc(&rctx->pool_transfers_unsync);
 	else
-		transfer = slab_alloc(&rctx->pool_transfers);
+		transfer = slab_zalloc(&rctx->pool_transfers);
 
-	transfer->b.b.resource = NULL;
 	pipe_resource_reference(&transfer->b.b.resource, resource);
-	transfer->b.b.level = 0;
 	transfer->b.b.usage = usage;
 	transfer->b.b.box = *box;
-	transfer->b.b.stride = 0;
-	transfer->b.b.layer_stride = 0;
-	transfer->b.staging = NULL;
 	transfer->b.b.offset = offset;
 	transfer->staging = staging;
 	*ptransfer = &transfer->b.b;