git: 15fe13c887d6 - stable/12 - Move XPT_IMMEDIATE_NOTIFY handling out of periph lock.

[Alexander Motin]

The branch stable/12 has been updated by mav:

URL: https://cgit.FreeBSD.org/src/commit/?id=15fe13c887d6133b4b6d91c780a91c67fdb6b063

commit 15fe13c887d6133b4b6d91c780a91c67fdb6b063
Author:     Alexander Motin <mav at FreeBSD.org>
AuthorDate: 2021-02-18 21:22:01 +0000
Commit:     Alexander Motin <mav at FreeBSD.org>
CommitDate: 2021-03-15 02:41:53 +0000

    Move XPT_IMMEDIATE_NOTIFY handling out of periph lock.
    
    It is a rare, but still better to not have lock dependencies.
    
    MFC after:      1 month
    
    (cherry picked from commit c67a2909a629db138227993e1093e66bb6c00af5)
---
 sys/cam/ctl/scsi_ctl.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sys/cam/ctl/scsi_ctl.c b/sys/cam/ctl/scsi_ctl.c
index e22b3a95095f..0bbbe3cb6e2a 100644
--- a/sys/cam/ctl/scsi_ctl.c
+++ b/sys/cam/ctl/scsi_ctl.c
@@ -1493,6 +1493,7 @@ ctlfedone(struct cam_periph *periph, union ccb *done_ccb)
 			ctlfe_free_ccb(periph, done_ccb);
 			goto out;
 		}
+		mtx_unlock(mtx);
 		if (send_ctl_io != 0) {
 			ctl_queue(io);
 		} else {
@@ -1500,7 +1501,7 @@ ctlfedone(struct cam_periph *periph, union ccb *done_ccb)
 			done_ccb->ccb_h.func_code = XPT_NOTIFY_ACKNOWLEDGE;
 			xpt_action(done_ccb);
 		}
-		break;
+		return;
 	}
 	case XPT_NOTIFY_ACKNOWLEDGE:
 		/* Queue this back down to the SIM as an immediate notify. */