netdev - [PATCH iwl-next v4 01/15] devlink: add value check to devlink_info_version

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Message-Id: <20250214131646.118437-2-jedrzej.jagielski@intel.com>
Date: Fri, 14 Feb 2025 14:16:32 +0100
From: Jedrzej Jagielski <jedrzej.jagielski@...el.com>
To: intel-wired-lan@...ts.osuosl.org
Cc: anthony.l.nguyen@...el.com, netdev@...r.kernel.org,
	"mailto:przemyslaw.kitszel"@intel.com, jiri@...dia.com,
	horms@...nel.org, Jedrzej Jagielski <jedrzej.jagielski@...el.com>,
	Przemek Kitszel <przemyslaw.kitszel@...el.com>
Subject: [PATCH iwl-next v4 01/15] devlink: add value check to devlink_info_version_put()

Prevent from proceeding if there's nothing to print.

Suggested-by: Przemek Kitszel <przemyslaw.kitszel@...el.com>
Reviewed-by: Jiri Pirko <jiri@...dia.com>
Signed-off-by: Jedrzej Jagielski <jedrzej.jagielski@...el.com>
---
 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);
-- 
2.31.1