ceph: remove useless page->mapping check in writepage_nounlock()

Callers of writepage_nounlock() have already ensured non-null
page->mapping.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>

diff --git a/fs/ceph/addr.c b/fs/ceph/addr.c
index 82220e9aaf7de141bf4e0ce9ffdc1474d92c6aaa..96f83a417944c98efb8b608e9bc4fd78618cd727 100644 (file)
--- a/fs/ceph/addr.c
+++ b/fs/ceph/addr.c
@@ -534,10 +534,6 @@ static int writepage_nounlock(struct page *page, struct writeback_control *wbc)
 
        dout("writepage %p idx %lu\n", page, page->index);
 
-       if (!page->mapping || !page->mapping->host) {
-               dout("writepage %p - no mapping\n", page);
-               return -EFAULT;
-       }
        inode = page->mapping->host;
        ci = ceph_inode(inode);
        fsc = ceph_inode_to_client(inode);