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iommu/amd: Remove double zero check

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The free_pages() does zero check, therefore remove double zero
check here.

Signed-off-by: Libing Zhou <libing.zhou@nokia-sbell.com>
Link: https://lore.kernel.org/r/20200722064450.GA63618@hzling02.china.nsn-net.net
Signed-off-by: Joerg Roedel <jroedel@suse.de>
This commit is contained in:
Libing Zhou 2020-07-22 14:44:50 +08:00 committed by Joerg Roedel
parent 70fcd3592b
commit 092550eacd
1 changed files with 2 additions and 9 deletions
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11
drivers/iommu/amd/init.c
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@ -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
}