[PATCH] powerpc: cell: use kzalloc in alloc_spu_context()

struct spu_context *alloc_spu_context(void)

{

	struct spu_context *ctx;

	ctx = kmalloc(sizeof *ctx, GFP_KERNEL);

	ctx = kzalloc(sizeof *ctx, GFP_KERNEL);

	if (!ctx)

		goto out;

	/* Binding to physical processor deferred

	init_waitqueue_head(&ctx->wbox_wq);

	init_waitqueue_head(&ctx->stop_wq);

	init_waitqueue_head(&ctx->mfc_wq);

	ctx->ibox_fasync = NULL;

	ctx->wbox_fasync = NULL;

	ctx->mfc_fasync = NULL;

	ctx->mfc = NULL;

	ctx->tagwait = 0;

	ctx->state = SPU_STATE_SAVED;

	ctx->local_store = NULL;

	ctx->cntl = NULL;

	ctx->signal1 = NULL;

	ctx->signal2 = NULL;

	ctx->spu = NULL;

	ctx->ops = &spu_backing_ops;

	ctx->owner = get_task_mm(current);

	goto out;