X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=fs%2Fubifs%2Ffile.c;h=0ff89fe71e5103c3effe3dfd27dc2bac58b8bfc5;hb=c2ec175c39f62949438354f603f4aa170846aabb;hp=93b6de51f261727f2c5f4e62814a0e79d3b109b5;hpb=c2fdf3a9b2d52842808a8e551b53b55dd9b45030;p=linux-2.6-omap-h63xx.git

diff --git a/fs/ubifs/file.c b/fs/ubifs/file.c
index 93b6de51f26..0ff89fe71e5 100644
--- a/fs/ubifs/file.c
+++ b/fs/ubifs/file.c
@@ -1434,8 +1434,9 @@ static int ubifs_releasepage(struct page *page, gfp_t unused_gfp_flags)
  * mmap()d file has taken write protection fault and is being made
  * writable. UBIFS must ensure page is budgeted for.
  */
-static int ubifs_vm_page_mkwrite(struct vm_area_struct *vma, struct page *page)
+static int ubifs_vm_page_mkwrite(struct vm_area_struct *vma, struct vm_fault *vmf)
 {
+	struct page *page = vmf->page;
 	struct inode *inode = vma->vm_file->f_path.dentry->d_inode;
 	struct ubifs_info *c = inode->i_sb->s_fs_info;
 	struct timespec now = ubifs_current_time(inode);
@@ -1447,7 +1448,7 @@ static int ubifs_vm_page_mkwrite(struct vm_area_struct *vma, struct page *page)
 	ubifs_assert(!(inode->i_sb->s_flags & MS_RDONLY));
 
 	if (unlikely(c->ro_media))
-		return -EROFS;
+		return VM_FAULT_SIGBUS; /* -EROFS */
 
 	/*
 	 * We have not locked @page so far so we may budget for changing the
@@ -1480,7 +1481,7 @@ static int ubifs_vm_page_mkwrite(struct vm_area_struct *vma, struct page *page)
 		if (err == -ENOSPC)
 			ubifs_warn("out of space for mmapped file "
 				   "(inode number %lu)", inode->i_ino);
-		return err;
+		return VM_FAULT_SIGBUS;
 	}
 
 	lock_page(page);
@@ -1520,6 +1521,8 @@ static int ubifs_vm_page_mkwrite(struct vm_area_struct *vma, struct page *page)
 out_unlock:
 	unlock_page(page);
 	ubifs_release_budget(c, &req);
+	if (err)
+		err = VM_FAULT_SIGBUS;
 	return err;
 }