xen/netback: fix error path of xenvif_connect_data()

commit 3d5c1a037d37392a6859afbde49be5ba6a70a6b3 upstream.

xenvif_connect_data() calls module_put() in case of error. This is
wrong as there is no related module_get().

Remove the superfluous module_put().

Fixes: 279f438e36c0a7 ("xen-netback: Don't destroy the netdev until the vif is shut down")
Cc: <stable@vger.kernel.org> # 3.12
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Paul Durrant <paul@xen.org>
Reviewed-by: Wei Liu <wei.liu@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c
index cae69148610574d6087c1c762bcf4a4e98da420f..e1f47b6ea3b762db4b09e63516df4d3f5e8a423e 100644 (file)
--- a/drivers/net/xen-netback/interface.c
+++ b/drivers/net/xen-netback/interface.c
@@ -706,7 +706,6 @@ err_unmap:
        xenvif_unmap_frontend_data_rings(queue);
        netif_napi_del(&queue->napi);
 err:
-       module_put(THIS_MODULE);
        return err;
 }