diff options
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mm/dma-mapping.c | 7 | ||||
| -rw-r--r-- | arch/arm/plat-orion/common.c | 2 |
2 files changed, 8 insertions, 1 deletions
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index f7cc937a3b56..df65ee93d2ab 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -1316,12 +1316,19 @@ static int arm_iommu_mmap_attrs(struct device *dev, struct vm_area_struct *vma, unsigned long uaddr = vma->vm_start; unsigned long usize = vma->vm_end - vma->vm_start; struct page **pages = __iommu_get_pages(cpu_addr, attrs); + unsigned long nr_pages = PAGE_ALIGN(size) >> PAGE_SHIFT; + unsigned long off = vma->vm_pgoff; vma->vm_page_prot = __get_dma_pgprot(attrs, vma->vm_page_prot); if (!pages) return -ENXIO; + if (off >= nr_pages || (usize >> PAGE_SHIFT) > nr_pages - off) + return -ENXIO; + + pages += off; + do { int ret = vm_insert_page(vma, uaddr, *pages++); if (ret) { diff --git a/arch/arm/plat-orion/common.c b/arch/arm/plat-orion/common.c index c019b7aaf776..553e00a432ec 100644 --- a/arch/arm/plat-orion/common.c +++ b/arch/arm/plat-orion/common.c @@ -498,7 +498,7 @@ void __init orion_ge00_switch_init(struct dsa_platform_data *d, int irq) d->netdev = &orion_ge00.dev; for (i = 0; i < d->nr_chips; i++) - d->chip[i].mii_bus = &orion_ge00_shared.dev; + d->chip[i].mii_bus = &orion_ge_mvmdio.dev; orion_switch_device.dev.platform_data = d; platform_device_register(&orion_switch_device); |