1 files changed, 8 insertions, 1 deletions

diff --git a/fs/dax.c b/fs/dax.c
index 711172450da6..bbb2ad783770 100644
--- a/fs/dax.c
+++ b/fs/dax.c
@@ -1056,6 +1056,7 @@ EXPORT_SYMBOL_GPL(dax_pmd_fault);
 int dax_pfn_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
 {
         struct file *file = vma->vm_file;
+        int error;
 
         /*
          * We pass NO_SECTOR to dax_radix_entry() because we expect that a
@@ -1065,7 +1066,13 @@ int dax_pfn_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
          * saves us from having to make a call to get_block() here to look
          * up the sector.
          */
-        dax_radix_entry(file->f_mapping, vmf->pgoff, NO_SECTOR, false, true);
+        error = dax_radix_entry(file->f_mapping, vmf->pgoff, NO_SECTOR, false,
+                        true);
+
+        if (error == -ENOMEM)
+                return VM_FAULT_OOM;
+        if (error)
+                return VM_FAULT_SIGBUS;
         return VM_FAULT_NOPAGE;
 }
 EXPORT_SYMBOL_GPL(dax_pfn_mkwrite);