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iommu/vt-d: Silence an uninitialized variable warning 

My static checker complains that "dma_alias" is uninitialized unless we
are dealing with a pci device.  This is true but harmless.  Anyway, we
can flip the condition around to silence the warning.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
hifive-unleashed-5.1
Dan Carpenter 2016-04-06 21:38:56 +03:00 committed by Joerg Roedel
parent fbedd9b990
commit 0b74ecdfbe
1 changed files with 1 additions and 1 deletions
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2
drivers/iommu/intel-iommu.c
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@ -2458,7 +2458,7 @@ static struct dmar_domain *get_domain_for_dev(struct device *dev, int gaw)
}
/* register PCI DMA alias device */
if (req_id != dma_alias && dev_is_pci(dev)) {
if (dev_is_pci(dev) && req_id != dma_alias) {
tmp = dmar_insert_one_dev_info(iommu, PCI_BUS_NUM(dma_alias),
dma_alias & 0xff, NULL, domain);