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iommu: Avoid unnecessary assignment of dev->iommu_fwspec 

Move the assignment statement into if branch above, where it only
needs to be.

Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
hifive-unleashed-5.1
Zhen Lei 2017-02-03 17:35:02 +08:00 committed by Joerg Roedel
parent a1831bb940
commit 909111ba0b
1 changed files with 2 additions and 1 deletions
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3
drivers/iommu/iommu.c
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@ -1869,13 +1869,14 @@ int iommu_fwspec_add_ids(struct device *dev, u32 *ids, int num_ids)
fwspec = krealloc(dev->iommu_fwspec, size, GFP_KERNEL);
if (!fwspec)
return -ENOMEM;
dev->iommu_fwspec = fwspec;
}
for (i = 0; i < num_ids; i++)
fwspec->ids[fwspec->num_ids + i] = ids[i];
fwspec->num_ids += num_ids;
dev->iommu_fwspec = fwspec;
return 0;
}
EXPORT_SYMBOL_GPL(iommu_fwspec_add_ids);