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| author | Libing Zhou <libing.zhou@nokia-sbell.com> | 2020-07-22 08:44:50 +0200 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2020-07-22 15:26:15 +0200 |
| commit | 092550eacd040a349917a6bbe90ad543258e1695 (patch) | |
| tree | 8bc26fa05db5c962f4f3de74ff0a8c84b9c865bc /drivers/iommu | |
| parent | iommu/amd: Add helper functions to update domain->pt_root (diff) | |
| download | linux-092550eacd040a349917a6bbe90ad543258e1695.tar.xz linux-092550eacd040a349917a6bbe90ad543258e1695.zip | |
iommu/amd: Remove double zero check
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>
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/amd/init.c | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/drivers/iommu/amd/init.c b/drivers/iommu/amd/init.c index 232683ea10e0..958050c213f9 100644 --- a/drivers/iommu/amd/init.c +++ b/drivers/iommu/amd/init.c @@ -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 } |