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| author | Andrey Borzenkov <arvidjaar@mail.ru> | 2008-10-10 20:22:38 +0400 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-10-14 20:49:02 -0400 |
| commit | 552a71515eef5cba9af8bfe608149557059c4463 (patch) | |
| tree | ce1376616968d0d9a8b04b946ee084735d1df210 /drivers/net/wireless/orinoco_cs.c | |
| parent | 33c0360bf74d5fded34cb08d3512ada32ad661e4 (diff) | |
| download | linux-stable-552a71515eef5cba9af8bfe608149557059c4463.tar.gz linux-stable-552a71515eef5cba9af8bfe608149557059c4463.tar.bz2 linux-stable-552a71515eef5cba9af8bfe608149557059c4463.zip | |
orinoco: fix unsafe locking in orinoco_cs_resume
[ 6972.562035] =================================
[ 6972.562040] [ INFO: inconsistent lock state ]
[ 6972.562048] 2.6.27-1avb #17
[ 6972.562053] ---------------------------------
[ 6972.562060] inconsistent {in-hardirq-W} -> {hardirq-on-W} usage.
[ 6972.562068] pm-suspend/17062 [HC0[0]:SC0[0]:HE1:SE1] takes:
[ 6972.562076] (&priv->lock){++..}, at: [<dfd4f05b>] orinoco_cs_resume+0x5b/0xd0 [orinoco_cs]
[ 6972.562122] {in-hardirq-W} state was registered at:
[ 6972.562128] [<c013ea6b>] __lock_acquire+0x6cb/0x1640
[ 6972.562171] [<c013fa3c>] lock_acquire+0x5c/0x80
[ 6972.562181] [<c02f6e39>] _spin_lock_irqsave+0x49/0x80
[ 6972.562210] [<dfd6425d>] orinoco_interrupt+0x4d/0x16d0 [orinoco]
[ 6972.562257] [<c015a2b1>] handle_IRQ_event+0x31/0x60
[ 6972.562278] [<c015b73e>] handle_level_irq+0x6e/0xe0
[ 6972.562291] [<c0104b20>] do_IRQ+0xb0/0x130
[ 6972.562313] [<ffffffff>] 0xffffffff
Signed-off-by: Andrey Borzenkov <arvidjaar@mail.ru>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/orinoco_cs.c')
| -rw-r--r-- | drivers/net/wireless/orinoco_cs.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/wireless/orinoco_cs.c b/drivers/net/wireless/orinoco_cs.c index 9eaa252c2430..65fd054e0172 100644 --- a/drivers/net/wireless/orinoco_cs.c +++ b/drivers/net/wireless/orinoco_cs.c @@ -403,6 +403,7 @@ static int orinoco_cs_resume(struct pcmcia_device *link) struct orinoco_private *priv = netdev_priv(dev); struct orinoco_pccard *card = priv->card; int err = 0; + unsigned long flags; if (! test_bit(0, &card->hard_reset_in_progress)) { err = orinoco_reinit_firmware(dev); @@ -412,7 +413,7 @@ static int orinoco_cs_resume(struct pcmcia_device *link) return -EIO; } - spin_lock(&priv->lock); + spin_lock_irqsave(&priv->lock, flags); netif_device_attach(dev); priv->hw_unavailable--; @@ -424,7 +425,7 @@ static int orinoco_cs_resume(struct pcmcia_device *link) dev->name, err); } - spin_unlock(&priv->lock); + spin_unlock_irqrestore(&priv->lock, flags); } return err; |