From: Jedrzej Jagielski <jedrzej.jagielski@xxxxxxxxx> Prevent from proceeding if there's nothing to print. Suggested-by: Przemek Kitszel <przemyslaw.kitszel@xxxxxxxxx> Reviewed-by: Jiri Pirko <jiri@xxxxxxxxxx> Reviewed-by: Kalesh AP <kalesh-anakkur.purayil@xxxxxxxxxxxx> Tested-by: Bharath R <bharath.r@xxxxxxxxx> Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@xxxxxxxxx> Signed-off-by: Tony Nguyen <anthony.l.nguyen@xxxxxxxxx> --- net/devlink/dev.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/devlink/dev.c b/net/devlink/dev.c index d6e3db300acb..02602704bdea 100644 --- a/net/devlink/dev.c +++ b/net/devlink/dev.c @@ -775,7 +775,7 @@ static int devlink_info_version_put(struct devlink_info_req *req, int attr, req->version_cb(version_name, version_type, req->version_cb_priv); - if (!req->msg) + if (!req->msg || !*version_value) return 0; nest = nla_nest_start_noflag(req->msg, attr); -- 2.47.1
