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authorJoerg Roedel <joerg.roedel@amd.com>2008-07-11 17:14:26 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-11 18:01:12 +0200
commit9a836de0c9944c42d006ec241712c72e74737c73 (patch)
tree3e91e92e5239fc58e308de99498ff44ece8746f7 /arch/x86/kernel/amd_iommu_init.c
parentc571484e53f3e1d90bc5374528580c7419d28d4c (diff)
downloadop-kernel-dev-9a836de0c9944c42d006ec241712c72e74737c73.zip
op-kernel-dev-9a836de0c9944c42d006ec241712c72e74737c73.tar.gz
x86, AMD IOMMU: remove unnecessary free checks from init code
This patch removes unnecessary checks before memory is released. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Cc: iommu@lists.linux-foundation.org Cc: bhavna.sarathy@amd.com Cc: robert.richter@amd.com Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/amd_iommu_init.c')
-rw-r--r--arch/x86/kernel/amd_iommu_init.c27
1 files changed, 10 insertions, 17 deletions
diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c
index 1f14839..0f5a911 100644
--- a/arch/x86/kernel/amd_iommu_init.c
+++ b/arch/x86/kernel/amd_iommu_init.c
@@ -417,9 +417,7 @@ static u8 * __init alloc_command_buffer(struct amd_iommu *iommu)
static void __init free_command_buffer(struct amd_iommu *iommu)
{
- if (iommu->cmd_buf)
- free_pages((unsigned long)iommu->cmd_buf,
- get_order(CMD_BUFFER_SIZE));
+ free_pages((unsigned long)iommu->cmd_buf, get_order(CMD_BUFFER_SIZE));
}
/* sets a specific bit in the device table entry. */
@@ -987,24 +985,19 @@ out:
return ret;
free:
- if (amd_iommu_pd_alloc_bitmap)
- free_pages((unsigned long)amd_iommu_pd_alloc_bitmap, 1);
+ free_pages((unsigned long)amd_iommu_pd_alloc_bitmap, 1);
- if (amd_iommu_pd_table)
- free_pages((unsigned long)amd_iommu_pd_table,
- get_order(rlookup_table_size));
+ free_pages((unsigned long)amd_iommu_pd_table,
+ get_order(rlookup_table_size));
- if (amd_iommu_rlookup_table)
- free_pages((unsigned long)amd_iommu_rlookup_table,
- get_order(rlookup_table_size));
+ free_pages((unsigned long)amd_iommu_rlookup_table,
+ get_order(rlookup_table_size));
- if (amd_iommu_alias_table)
- free_pages((unsigned long)amd_iommu_alias_table,
- get_order(alias_table_size));
+ free_pages((unsigned long)amd_iommu_alias_table,
+ get_order(alias_table_size));
- if (amd_iommu_dev_table)
- free_pages((unsigned long)amd_iommu_dev_table,
- get_order(dev_table_size));
+ free_pages((unsigned long)amd_iommu_dev_table,
+ get_order(dev_table_size));
free_iommu_all();
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