iommu/amd: Remove double zero check (092550ea) · Commits · 戴 / test

The free_pages() does zero check, therefore remove double zero check here. Signed-off-by:

drivers/iommu/amd/init.c

+2 −9

Original line number	Diff line number	Diff line
		@@ -720,21 +720,14 @@ static void iommu_enable_ppr_log(struct amd_iommu *iommu)

		static void __init free_ppr_log(struct amd_iommu *iommu)
		{
		if (iommu->ppr_log == NULL)
		return;

		free_pages((unsigned long)iommu->ppr_log, get_order(PPR_LOG_SIZE));
		}

		static void free_ga_log(struct amd_iommu *iommu)
		{
		#ifdef CONFIG_IRQ_REMAP
		if (iommu->ga_log)
		free_pages((unsigned long)iommu->ga_log,
		get_order(GA_LOG_SIZE));
		if (iommu->ga_log_tail)
		free_pages((unsigned long)iommu->ga_log_tail,
		get_order(8));
		free_pages((unsigned long)iommu->ga_log, get_order(GA_LOG_SIZE));
		free_pages((unsigned long)iommu->ga_log_tail, get_order(8));
		#endif
		}