diff options
| -rw-r--r-- | arch/x86/entry/vdso/vma.c | 24 |
1 files changed, 9 insertions, 15 deletions
diff --git a/arch/x86/entry/vdso/vma.c b/arch/x86/entry/vdso/vma.c index 3f9d43f26f63..7eb878561910 100644 --- a/arch/x86/entry/vdso/vma.c +++ b/arch/x86/entry/vdso/vma.c @@ -39,7 +39,7 @@ void __init init_vdso_image(const struct vdso_image *image) struct linux_binprm; -static int vdso_fault(const struct vm_special_mapping *sm, +static vm_fault_t vdso_fault(const struct vm_special_mapping *sm, struct vm_area_struct *vma, struct vm_fault *vmf) { const struct vdso_image *image = vma->vm_mm->context.vdso_image; @@ -84,12 +84,11 @@ static int vdso_mremap(const struct vm_special_mapping *sm, return 0; } -static int vvar_fault(const struct vm_special_mapping *sm, +static vm_fault_t vvar_fault(const struct vm_special_mapping *sm, struct vm_area_struct *vma, struct vm_fault *vmf) { const struct vdso_image *image = vma->vm_mm->context.vdso_image; long sym_offset; - int ret = -EFAULT; if (!image) return VM_FAULT_SIGBUS; @@ -108,29 +107,24 @@ static int vvar_fault(const struct vm_special_mapping *sm, return VM_FAULT_SIGBUS; if (sym_offset == image->sym_vvar_page) { - ret = vm_insert_pfn(vma, vmf->address, - __pa_symbol(&__vvar_page) >> PAGE_SHIFT); + return vmf_insert_pfn(vma, vmf->address, + __pa_symbol(&__vvar_page) >> PAGE_SHIFT); } else if (sym_offset == image->sym_pvclock_page) { struct pvclock_vsyscall_time_info *pvti = pvclock_get_pvti_cpu0_va(); if (pvti && vclock_was_used(VCLOCK_PVCLOCK)) { - ret = vm_insert_pfn_prot( - vma, - vmf->address, - __pa(pvti) >> PAGE_SHIFT, - pgprot_decrypted(vma->vm_page_prot)); + return vmf_insert_pfn_prot(vma, vmf->address, + __pa(pvti) >> PAGE_SHIFT, + pgprot_decrypted(vma->vm_page_prot)); } } else if (sym_offset == image->sym_hvclock_page) { struct ms_hyperv_tsc_page *tsc_pg = hv_get_tsc_page(); if (tsc_pg && vclock_was_used(VCLOCK_HVCLOCK)) - ret = vm_insert_pfn(vma, vmf->address, - vmalloc_to_pfn(tsc_pg)); + return vmf_insert_pfn(vma, vmf->address, + vmalloc_to_pfn(tsc_pg)); } - if (ret == 0 || ret == -EBUSY) - return VM_FAULT_NOPAGE; - return VM_FAULT_SIGBUS; } |