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ata: libata-core: Do not try to set sleeping devices to standby

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In ata ata_dev_power_set_standby(), check that the target device is not
sleeping. If it is, there is no need to do anything.

Fixes: aa3998dbeb ("ata: libata-scsi: Disable scsi device manage_system_start_stop")
Cc: stable@vger.kernel.org
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Signed-off-by: Niklas Cassel <cassel@kernel.org>
This commit is contained in:
Damien Le Moal 2024-01-11 20:51:22 +09:00 committed by Niklas Cassel
parent 51af8f255b
commit 4b085736e4
1 changed files with 4 additions and 0 deletions
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drivers/ata/libata-core.c
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@ -2017,6 +2017,10 @@ void ata_dev_power_set_standby(struct ata_device *dev)
struct ata_taskfile tf;
unsigned int err_mask;
/* If the device is already sleeping, do nothing. */
if (dev->flags & ATA_DFLAG_SLEEPING)
return;
/*
* Some odd clown BIOSes issue spindown on power off (ACPI S4 or S5)
* causing some drives to spin up and down again. For these, do nothing