Merge tag 'configfs-for-4.12' of git://git.infradead.org/users/hch/configfs

[karo-tx-linux.git] / mm / gup.c

diff --git a/mm/gup.c b/mm/gup.c
index d9e6fddcc51f06a1286c56a24c510c1a3efa8add..b3c7214d710d5ea8bab8648b5182c53d882f3c31 100644 (file)
--- a/mm/gup.c
+++ b/mm/gup.c
@@ -407,12 +407,10 @@ static int faultin_page(struct task_struct *tsk, struct vm_area_struct *vma,
 
        ret = handle_mm_fault(vma, address, fault_flags);
        if (ret & VM_FAULT_ERROR) {
-               if (ret & VM_FAULT_OOM)
-                       return -ENOMEM;
-               if (ret & (VM_FAULT_HWPOISON | VM_FAULT_HWPOISON_LARGE))
-                       return *flags & FOLL_HWPOISON ? -EHWPOISON : -EFAULT;
-               if (ret & (VM_FAULT_SIGBUS | VM_FAULT_SIGSEGV))
-                       return -EFAULT;
+               int err = vm_fault_to_errno(ret, *flags);
+
+               if (err)
+                       return err;
                BUG();
        }
 
@@ -723,12 +721,10 @@ retry:
        ret = handle_mm_fault(vma, address, fault_flags);
        major |= ret & VM_FAULT_MAJOR;
        if (ret & VM_FAULT_ERROR) {
-               if (ret & VM_FAULT_OOM)
-                       return -ENOMEM;
-               if (ret & (VM_FAULT_HWPOISON | VM_FAULT_HWPOISON_LARGE))
-                       return -EHWPOISON;
-               if (ret & (VM_FAULT_SIGBUS | VM_FAULT_SIGSEGV))
-                       return -EFAULT;
+               int err = vm_fault_to_errno(ret, 0);
+
+               if (err)
+                       return err;
                BUG();
        }