X-Git-Url: https://git.kernel.dk/?a=blobdiff_plain;f=fs%2Fdax.c;h=bbb2ad78377020ac85158fb61df067aceadaafe5;hb=7665d85b7307fa0218881bc2009de067c42dc52e;hp=711172450da642ccdcf4ac7dcceb7546faf66fad;hpb=f4fa6e6d883cd89fa5c240c1896a4dd329d1caa9;p=linux-2.6-block.git

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);