git: 80b42329248a - main - nvme: Fix panic on detach after ce75bfcac9cfe

The branch main has been updated by mav:

URL: https://cgit.FreeBSD.org/src/commit/?id=80b42329248a7473f79eebf7850ee8e4116c17dd

commit 80b42329248a7473f79eebf7850ee8e4116c17dd
Author:     Alexander Motin <mav@FreeBSD.org>
AuthorDate: 2024-06-14 19:32:10 +0000
Commit:     Alexander Motin <mav@FreeBSD.org>
CommitDate: 2024-06-14 19:32:10 +0000

    nvme: Fix panic on detach after ce75bfcac9cfe
    
    MFC after: 2 weeks
---
 sys/dev/nvme/nvme_ns.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/sys/dev/nvme/nvme_ns.c b/sys/dev/nvme/nvme_ns.c
index b19fc8664407..4c65e2c49e64 100644
--- a/sys/dev/nvme/nvme_ns.c
+++ b/sys/dev/nvme/nvme_ns.c
@@ -620,8 +620,9 @@ void
 nvme_ns_destruct(struct nvme_namespace *ns)
 {
 
-	if (ns->cdev->si_drv2 != NULL)
-		destroy_dev(ns->cdev->si_drv2);
-	if (ns->cdev != NULL)
+	if (ns->cdev != NULL) {
+		if (ns->cdev->si_drv2 != NULL)
+			destroy_dev(ns->cdev->si_drv2);
 		destroy_dev(ns->cdev);
+	}
 }