iommu/sun50i: Use __GFP_ZERO instead of memset() (38b91f81) · Commits · 戴 / test

Allocate zeroed memory so there is no need to memset it to 0 in the driver. Signed-off-by:

drivers/iommu/sun50i-iommu.c

+1 −2

Original line number	Original line	Diff line number	Diff line
	@@ -616,11 +616,10 @@ static struct iommu_domain *sun50i_iommu_domain_alloc(unsigned type)
	iommu_get_dma_cookie(&sun50i_domain->domain))		iommu_get_dma_cookie(&sun50i_domain->domain))
	goto err_free_domain;		goto err_free_domain;

	sun50i_domain->dt = (u32 *)__get_free_pages(GFP_KERNEL,		sun50i_domain->dt = (u32 *)__get_free_pages(GFP_KERNEL \| __GFP_ZERO,
	get_order(DT_SIZE));		get_order(DT_SIZE));
	if (!sun50i_domain->dt)		if (!sun50i_domain->dt)
	goto err_put_cookie;		goto err_put_cookie;
	memset(sun50i_domain->dt, 0, DT_SIZE);

	refcount_set(&sun50i_domain->refcnt, 1);		refcount_set(&sun50i_domain->refcnt, 1);