From: Dave Jiang <dave.jiang@intel.com>
Date: Thu, 8 Jan 2026 21:09:33 +0000 (-0700)
Subject: ntb: transport: Fix uninitialized mutex
X-Git-Tag: v6.19-rc7~8^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2ccb5e8dbcd2dedf13e0270165ac48bd79b7f673;p=thirdparty%2Fkernel%2Flinux.git

ntb: transport: Fix uninitialized mutex

When the mutex 'link_event_lock' was introduced, it was never
initialized and it triggers kernel warnings when used with locking
debug turned on. Add initialization for the mutex.

Fixes: 3db835dd8f9a ("ntb: Add mutex to make link_event_callback executed linearly.")
Cc: fuyuanli <fuyuanli0722@gmail.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
---

diff --git a/drivers/ntb/ntb_transport.c b/drivers/ntb/ntb_transport.c
index eb875e3db2e3b..71d4bb25f7fdd 100644
--- a/drivers/ntb/ntb_transport.c
+++ b/drivers/ntb/ntb_transport.c
@@ -1394,6 +1394,7 @@ static int ntb_transport_probe(struct ntb_client *self, struct ntb_dev *ndev)
 			goto err2;
 	}
 
+	mutex_init(&nt->link_event_lock);
 	INIT_DELAYED_WORK(&nt->link_work, ntb_transport_link_work);
 	INIT_WORK(&nt->link_cleanup, ntb_transport_link_cleanup_work);