[PATCH] mm: make filemap_nopage use NOPAGE_SIGBUS

Don't open-code NOPAGE_SIGBUS.

Signed-off-by: Adam Litke <agl@us.ibm.com>
Acked-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 3 insertions, 3 deletions

diff --git a/mm/filemap.c b/mm/filemap.c
index afcdc72b5e90..3277f3b23524 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -1471,7 +1471,7 @@ outside_data_content:
          * accessible..
          */
         if (area->vm_mm == current->mm)
-                return NULL;
+                return NOPAGE_SIGBUS;
         /* Fall through to the non-read-ahead case */
 no_cached_page:
         /*
@@ -1496,7 +1496,7 @@ no_cached_page:
          */
         if (error == -ENOMEM)
                 return NOPAGE_OOM;
-        return NULL;
+        return NOPAGE_SIGBUS;
 
 page_not_uptodate:
         if (!did_readaround) {
@@ -1565,7 +1565,7 @@ page_not_uptodate:
          */
         shrink_readahead_size_eio(file, ra);
         page_cache_release(page);
-        return NULL;
+        return NOPAGE_SIGBUS;
 }
 EXPORT_SYMBOL(filemap_nopage);