diff --git a/mm/memory.c b/mm/memory.c index c2d4c477e5bbea00706878db6ba11011945466bd..d3ee2ea5615c59dcecccb725e3655f8aef1b9a5c 100644 --- a/mm/memory.c +++ b/mm/memory.c @@ -1672,8 +1672,14 @@ int remap_pfn_range(struct vm_area_struct *vma, unsigned long addr, vma->vm_flags |= VM_IO | VM_RESERVED | VM_PFNMAP; err = track_pfn_vma_new(vma, prot, pfn, PAGE_ALIGN(size)); - if (err) + if (err) { + /* + * To indicate that track_pfn related cleanup is not + * needed from higher level routine calling unmap_vmas + */ + vma->vm_flags &= ~(VM_IO | VM_RESERVED | VM_PFNMAP); return -EINVAL; + } BUG_ON(addr >= end); pfn -= addr >> PAGE_SHIFT;