usb: otg: notify to pmu the otg vbus change

[firefly-linux-kernel-4.4.55.git] / drivers / iommu / intel-iommu.c

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 6771e3c94801881520929b965a0bb897688819db..db4e10d4c7f545d9ad1e4a8914868046b47785f9 100644 (file)
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -1796,7 +1796,7 @@ static int __domain_mapping(struct dmar_domain *domain, unsigned long iov_pfn,
        struct dma_pte *first_pte = NULL, *pte = NULL;
        phys_addr_t uninitialized_var(pteval);
        int addr_width = agaw_to_width(domain->agaw) - VTD_PAGE_SHIFT;
-       unsigned long sg_res;
+       unsigned long sg_res = 0;
        unsigned int largepage_lvl = 0;
        unsigned long lvl_pages = 0;
 
@@ -1807,10 +1807,8 @@ static int __domain_mapping(struct dmar_domain *domain, unsigned long iov_pfn,
 
        prot &= DMA_PTE_READ | DMA_PTE_WRITE | DMA_PTE_SNP;
 
-       if (sg)
-               sg_res = 0;
-       else {
-               sg_res = nr_pages + 1;
+       if (!sg) {
+               sg_res = nr_pages;
                pteval = ((phys_addr_t)phys_pfn << VTD_PAGE_SHIFT) | prot;
        }