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From: Bart Van Assche <bvanassche@acm.org>
To: "Martin K . Petersen" <martin.petersen@oracle.com>,
	"James E . J . Bottomley" <jejb@linux.vnet.ibm.com>
Cc: linux-scsi@vger.kernel.org, Bart Van Assche <bvanassche@acm.org>,
	Himanshu Madhani <hmadhani@marvell.com>,
	Martin Wilck <mwilck@suse.com>,
	Roman Bolshakov <r.bolshakov@yadro.com>,
	Quinn Tran <qutran@marvell.com>, Daniel Wagner <dwagner@suse.de>
Subject: [PATCH v2 1/6] qla2xxx: Check locking assumptions at runtime in qla2x00_abort_srb()
Date: Wed, 22 Jan 2020 20:23:40 -0800	[thread overview]
Message-ID: <20200123042345.23886-2-bvanassche@acm.org> (raw)
In-Reply-To: <20200123042345.23886-1-bvanassche@acm.org>

Document the locking assumptions this function relies on and also verify these
locking assumptions at runtime.

Acked-by: Himanshu Madhani <hmadhani@marvell.com>
Reviewed-by: Martin Wilck <mwilck@suse.com>
Reviewed-by: Roman Bolshakov <r.bolshakov@yadro.com>
Cc: Quinn Tran <qutran@marvell.com>
Cc: Daniel Wagner <dwagner@suse.de>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
 drivers/scsi/qla2xxx/qla_os.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index b520a980d1dc..79387ac8936f 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -1700,6 +1700,8 @@ static void qla2x00_abort_srb(struct qla_qpair *qp, srb_t *sp, const int res,
 	bool ret_cmd;
 	uint32_t ratov_j;
 
+	lockdep_assert_held(qp->qp_lock_ptr);
+
 	if (qla2x00_chip_is_down(vha)) {
 		sp->done(sp, res);
 		return;

  reply	other threads:[~2020-01-23  4:23 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-23  4:23 [PATCH v2 0/6] qla2xxx patches for kernel v5.6 Bart Van Assche
2020-01-23  4:23 ` Bart Van Assche [this message]
2020-01-23  8:08   ` [PATCH v2 1/6] qla2xxx: Check locking assumptions at runtime in qla2x00_abort_srb() Daniel Wagner
2020-01-23  4:23 ` [PATCH v2 2/6] qla2xxx: Simplify the code for aborting SCSI commands Bart Van Assche
2020-01-23 10:17   ` Daniel Wagner
2020-01-24  3:12     ` Bart Van Assche
2020-01-24 10:44       ` Daniel Wagner
2020-01-23  4:23 ` [PATCH v2 3/6] qla2xxx: Suppress endianness complaints in qla2x00_configure_local_loop() Bart Van Assche
2020-01-23 10:35   ` Daniel Wagner
2020-01-23  4:23 ` [PATCH v2 4/6] qla2xxx: Fix sparse warnings triggered by the PCI state checking code Bart Van Assche
2020-01-23 10:36   ` Daniel Wagner
2020-02-25 18:09   ` Roman Bolshakov
2020-01-23  4:23 ` [PATCH v2 5/6] qla2xxx: Convert MAKE_HANDLE() from a define into an inline function Bart Van Assche
2020-01-23 10:39   ` Daniel Wagner
2020-01-24  3:13     ` Bart Van Assche
2020-01-23  4:23 ` [PATCH v2 6/6] qla2xxx: Fix the endianness annotations for the port attribute max_frame_size member Bart Van Assche
2020-01-23 10:47   ` Daniel Wagner
2020-02-25 18:43   ` Roman Bolshakov
2020-02-25 19:40     ` Bart Van Assche
2020-02-05  2:36 ` [PATCH v2 0/6] qla2xxx patches for kernel v5.6 Martin K. Petersen

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