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scsi: libsas: Add missing annotation for sas_ata_qc_issue()

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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

Link: https://lore.kernel.org/r/20200411001933.10072-7-jbi.octave@gmail.com
Reviewed-by: John Garry <john.garry@huawei.com>
Signed-off-by: Jules Irenge <jbi.octave@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Jules Irenge 2020-04-11 01:19:30 +01:00 committed by Martin K. Petersen
parent 4a0b746fa9
commit 1e4ffb8344
1 changed files with 1 additions and 0 deletions
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drivers/scsi/libsas/sas_ata.c
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@ -160,6 +160,7 @@ qc_already_gone:
}
static unsigned int sas_ata_qc_issue(struct ata_queued_cmd *qc)
__must_hold(ap->lock)
{
struct sas_task *task;
struct scatterlist *sg;