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From:   Jules Irenge <jbi.octave@gmail.com>
To:     linux-kernel@vger.kernel.org
Cc:     boqun.feng@gmail.com, "James E.J. Bottomley" <jejb@linux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@oracle.com>,
        John Garry <john.garry@huawei.com>,
        Allison Randal <allison@lohutok.net>,
        Hannes Reinecke <hare@suse.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        linux-scsi@vger.kernel.org (open list:SCSI SUBSYSTEM)
Subject: [PATCH 6/9] scsi: libsas: Add missing annotation for sas_ata_qc_issue()
Date:   Sat, 11 Apr 2020 01:19:30 +0100
Message-Id: <20200411001933.10072-7-jbi.octave@gmail.com>
In-Reply-To: <20200411001933.10072-1-jbi.octave@gmail.com>
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 <20200411001933.10072-1-jbi.octave@gmail.com>
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Sparse reports a warning at sas_ata_qc_issue()

warning: context imbalance in sas_ata_qc_issue() - unexpected unlock
The root cause is the missing annotation at sas_ata_qc_issue()

Add the missing __must_hold(ap->lock) annotation

Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
---
 drivers/scsi/libsas/sas_ata.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
index c5a828a041e0..5d716d388707 100644
--- a/drivers/scsi/libsas/sas_ata.c
+++ b/drivers/scsi/libsas/sas_ata.c
@@ -160,6 +160,7 @@ static void sas_ata_task_done(struct sas_task *task)
 }
 
 static unsigned int sas_ata_qc_issue(struct ata_queued_cmd *qc)
+	__must_hold(ap->lock)
 {
 	struct sas_task *task;
 	struct scatterlist *sg;
-- 
2.24.1