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| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-07-05 20:30:51 +0200 |
|---|---|---|
| committer | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2008-07-05 20:30:51 +0200 |
| commit | bd8a59e29726b2a5ff7baefe995febdc63044a61 (patch) | |
| tree | b539d13ba01929dd5c0500acce6e3a4d6b40469c /drivers | |
| parent | 7cd95f56cb61f5348d062527c9d3653196f6e629 (diff) | |
| download | linux-bd8a59e29726b2a5ff7baefe995febdc63044a61.tar.gz linux-bd8a59e29726b2a5ff7baefe995febdc63044a61.tar.bz2 linux-bd8a59e29726b2a5ff7baefe995febdc63044a61.zip | |
ide: ide_unregister() warm-plug bugfix
Fix ide_unregister() to work for ports with no devices attached to them.
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ide/ide.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c index 246077792e21..b31359c9fa58 100644 --- a/drivers/ide/ide.c +++ b/drivers/ide/ide.c @@ -315,13 +315,14 @@ void ide_unregister(ide_hwif_t *hwif) BUG_ON(in_interrupt()); BUG_ON(irqs_disabled()); + mutex_lock(&ide_cfg_mtx); - spin_lock_irq(&ide_lock); - if (!hwif->present) - goto abort; - __ide_port_unregister_devices(hwif); - hwif->present = 0; + spin_lock_irq(&ide_lock); + if (hwif->present) { + __ide_port_unregister_devices(hwif); + hwif->present = 0; + } spin_unlock_irq(&ide_lock); ide_proc_unregister_port(hwif); @@ -359,7 +360,6 @@ void ide_unregister(ide_hwif_t *hwif) /* restore hwif data to pristine status */ ide_init_port_data(hwif, hwif->index); -abort: spin_unlock_irq(&ide_lock); mutex_unlock(&ide_cfg_mtx); } |