suppress compiler warnings:
drivers/iommu/intel-iommu.c: In function ‘device_to_iommu’:
drivers/iommu/intel-iommu.c:673: warning: ‘segment’ may be used uninitialized 
in this function
drivers/iommu/intel-iommu.c: In function ‘get_domain_for_dev.clone.3’:
drivers/iommu/intel-iommu.c:2217: warning: ‘bridge_bus’ may be used 
uninitialized in this function
drivers/iommu/intel-iommu.c:2217: warning: ‘bridge_devfn’ may be used 
uninitialized in this function

Signed-off-by: Yijing Wang <wangyij...@huawei.com>
---
 drivers/iommu/intel-iommu.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 7b7127a..c5fc0ad 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -670,7 +670,7 @@ static struct intel_iommu *device_to_iommu(struct device 
*dev, u8 *bus, u8 *devf
        struct intel_iommu *iommu;
        struct device *tmp;
        struct pci_dev *ptmp, *pdev = NULL;
-       u16 segment;
+       u16 segment = 0;
        int i;
 
        if (dev_is_pci(dev)) {
@@ -2214,7 +2214,8 @@ static struct dmar_domain *get_domain_for_dev(struct 
device *dev, int gaw)
        struct device_domain_info *info;
        struct pci_dev *dev_tmp = NULL;
        unsigned long flags;
-       u8 bus, devfn, bridge_bus, bridge_devfn;
+       u8 bus, devfn;
+       u8 bridge_bus = 0, bridge_devfn = 0;
 
        domain = find_domain(dev);
        if (domain)
-- 
1.7.1


_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu

Reply via email to