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ide: unify ide_intr()'s exit points

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Just a preparation for future changes.

There should be no functional changes caused by this patch.

Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2008-12-29 20:27:29 +01:00
parent 0e63a588fc
commit 3e0e29f737
1 changed files with 14 additions and 13 deletions
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27
drivers/ide/ide-io.c
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@ -1363,14 +1363,13 @@ irqreturn_t ide_intr (int irq, void *dev_id)
ide_drive_t *drive;
ide_handler_t *handler;
ide_startstop_t startstop;
irqreturn_t irq_ret = IRQ_NONE;
spin_lock_irqsave(&ide_lock, flags);
hwif = hwgroup->hwif;
if (!ide_ack_intr(hwif)) {
spin_unlock_irqrestore(&ide_lock, flags);
return IRQ_NONE;
}
if (!ide_ack_intr(hwif))
goto out;
if ((handler = hwgroup->handler) == NULL || hwgroup->polling) {
/*
@ -1406,9 +1405,9 @@ irqreturn_t ide_intr (int irq, void *dev_id)
(void)hwif->tp_ops->read_status(hwif);
#endif /* CONFIG_BLK_DEV_IDEPCI */
}
spin_unlock_irqrestore(&ide_lock, flags);
return IRQ_NONE;
goto out;
}
drive = hwgroup->drive;
if (!drive) {
/*
@ -1417,10 +1416,10 @@ irqreturn_t ide_intr (int irq, void *dev_id)
*
* [Note - this can occur if the drive is hot unplugged]
*/
spin_unlock_irqrestore(&ide_lock, flags);
return IRQ_HANDLED;
goto out_handled;
}
if (!drive_is_ready(drive)) {
if (!drive_is_ready(drive))
/*
* This happens regularly when we share a PCI IRQ with
* another device. Unfortunately, it can also happen
@ -1428,9 +1427,8 @@ irqreturn_t ide_intr (int irq, void *dev_id)
* their status register is up to date. Hopefully we have
* enough advance overhead that the latter isn't a problem.
*/
spin_unlock_irqrestore(&ide_lock, flags);
return IRQ_NONE;
}
goto out;
if (!hwgroup->busy) {
hwgroup->busy = 1; /* paranoia */
printk(KERN_ERR "%s: ide_intr: hwgroup->busy was 0 ??\n", drive->name);
@ -1467,8 +1465,11 @@ irqreturn_t ide_intr (int irq, void *dev_id)
"on exit\n", drive->name);
}
}
out_handled:
irq_ret = IRQ_HANDLED;
out:
spin_unlock_irqrestore(&ide_lock, flags);
return IRQ_HANDLED;
return irq_ret;
}
/**