Commit 8982fc03 authored by Jedrzej Jagielski's avatar Jedrzej Jagielski Committed by Tony Nguyen
Browse files

devlink: add value check to devlink_info_version_put() 



Prevent from proceeding if there's nothing to print.

Suggested-by: default avatarPrzemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: default avatarJiri Pirko <jiri@nvidia.com>
Reviewed-by: default avatarKalesh AP <kalesh-anakkur.purayil@broadcom.com>
Tested-by: default avatarBharath R <bharath.r@intel.com>
Signed-off-by: default avatarJedrzej Jagielski <jedrzej.jagielski@intel.com>
Signed-off-by: default avatarTony Nguyen <anthony.l.nguyen@intel.com>
parent e8a1bd83

net/devlink/dev.c

+1 −1
Original line number Diff line number Diff line
@@ -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);