net: use the right variant of kfree

kvzalloc'ed memory should be kvfree'd.

Fixes: e817f85652c1 ("xdp: generic XDP handling of xdp_rxq_info")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

net/core/dev.c

@@ -7645,7 +7645,7 @@ err_rxq_info:
 	/* Rollback successful reg's and free other resources */
 	while (i--)
 		xdp_rxq_info_unreg(&rx[i].xdp_rxq);
-	kfree(dev->_rx);
+	kvfree(dev->_rx);
 	dev->_rx = NULL;
 	return err;
 }