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authorAndrey Borzenkov <arvidjaar@mail.ru>2008-10-10 20:22:38 +0400
committerJohn W. Linville <linville@tuxdriver.com>2008-10-14 20:49:02 -0400
commit552a71515eef5cba9af8bfe608149557059c4463 (patch)
treece1376616968d0d9a8b04b946ee084735d1df210
parent33c0360bf74d5fded34cb08d3512ada32ad661e4 (diff)
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>
-rw-r--r--drivers/net/wireless/orinoco_cs.c5
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;