xen/netback: fix error path of xenvif_connect_data()
authorJuergen Gross <jgross@suse.com>
Fri, 18 Oct 2019 07:45:49 +0000 (09:45 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 29 Oct 2019 08:13:32 +0000 (09:13 +0100)
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>
drivers/net/xen-netback/interface.c

index 60b26f32d31d01332b88a138b8d76ebf43256f73..2008c6a02b8a7876ddb6af1d993a8015c28d6d65 100644 (file)
@@ -620,7 +620,6 @@ err_tx_unbind:
 err_unmap:
        xenvif_unmap_frontend_rings(queue);
 err:
-       module_put(THIS_MODULE);
        return err;
 }