NFS: Fix a double page unlock

Since commit 0bcbf039f6b2, nfs_readpage_release() has been used to
unlock the page in the read code.

Fixes: 0bcbf039f6b2 ("nfs: handle request add failure properly")
Cc: stable@vger.kernel.org # v4.5+
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>

diff --git a/fs/nfs/read.c b/fs/nfs/read.c
index 6776d7a..572e5b3 100644 (file)
--- a/fs/nfs/read.c
+++ b/fs/nfs/read.c
@@ -367,13 +367,13 @@ readpage_async_filler(void *data, struct page *page)
                nfs_list_remove_request(new);
                nfs_readpage_release(new);
                error = desc->pgio->pg_error;
-               goto out_unlock;
+               goto out;
        }
        return 0;
 out_error:
        error = PTR_ERR(new);
-out_unlock:
        unlock_page(page);
+out:
        return error;
 }