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authorXingui Yang <yangxingui@huawei.com>2022-12-21 01:52:03 +0000
committerMartin K. Petersen <martin.petersen@oracle.com>2023-01-07 06:25:08 -0500
commita67aad57d9aee41180aff36e54cb72fe4b8d5a5a (patch)
tree9c8392560f42166a56558c337f226f2db26efe82 /drivers/scsi
parentea44242bbfcde2993fb27ec7c3ad5ab5cc39e438 (diff)
downloadlinux-a67aad57d9aee41180aff36e54cb72fe4b8d5a5a.tar.bz2
scsi: libsas: Grab the ATA port lock in sas_ata_device_link_abort()
Grab the ATA port lock in sas_ata_device_link_abort() before calling ata_link_abort() as outlined in this function's locking requirements. Fixes: 44112922674b ("scsi: libsas: Add sas_ata_device_link_abort()") Signed-off-by: Xingui Yang <yangxingui@huawei.com> Reviewed-by: John Garry <john.g.garry@oracle.com> Reviewed-by: Jason Yan <yanaijie@huawei.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/libsas/sas_ata.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
index 1ccce706167a..5e80225b5308 100644
--- a/drivers/scsi/libsas/sas_ata.c
+++ b/drivers/scsi/libsas/sas_ata.c
@@ -889,7 +889,9 @@ void sas_ata_device_link_abort(struct domain_device *device, bool force_reset)
{
struct ata_port *ap = device->sata_dev.ap;
struct ata_link *link = &ap->link;
+ unsigned long flags;
+ spin_lock_irqsave(ap->lock, flags);
device->sata_dev.fis[2] = ATA_ERR | ATA_DRDY; /* tf status */
device->sata_dev.fis[3] = ATA_ABORTED; /* tf error */
@@ -897,6 +899,7 @@ void sas_ata_device_link_abort(struct domain_device *device, bool force_reset)
if (force_reset)
link->eh_info.action |= ATA_EH_RESET;
ata_link_abort(link);
+ spin_unlock_irqrestore(ap->lock, flags);
}
EXPORT_SYMBOL_GPL(sas_ata_device_link_abort);