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libata: fix unbalanced spin_lock_irqsave/spin_unlock_irq() in ata_scsi_park_show() 

ata_scsi_park_show() was pairing spin_lock_irqsave() with
spin_unlock_irq().  As the function is always called with irq enabled,
it didn't actually break anything.  Use spin_lock_irq() instead.

Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Elias Oltmanns <eo@nebensachen.de>
This commit is contained in:
Tejun Heo 2016-02-18 11:50:37 -05:00
parent a2127e400e
commit 3948b6f2b7
1 changed files with 2 additions and 2 deletions
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4
drivers/ata/libata-scsi.c
View File

@ -174,13 +174,13 @@ static ssize_t ata_scsi_park_show(struct device *device,
struct ata_port *ap;
struct ata_link *link;
struct ata_device *dev;
unsigned long flags, now;
unsigned long now;
unsigned int uninitialized_var(msecs);
int rc = 0;
ap = ata_shost_to_port(sdev->host);
spin_lock_irqsave(ap->lock, flags);
spin_lock_irq(ap->lock);
dev = ata_scsi_find_dev(ap, sdev);
if (!dev) {
rc = -ENODEV;