From: Phong Tran tranmanphong@gmail.com
[ Upstream commit ebd77feb27e91bb5fe35a7818b7c13ea7435fb98 ]
correct usage prototype of callback in tasklet_init(). Report by https://github.com/KSPP/linux/issues/20
Signed-off-by: Phong Tran tranmanphong@gmail.com Reviewed-by: Kees Cook keescook@chromium.org Signed-off-by: Kalle Valo kvalo@codeaurora.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/wireless/ipw2x00/ipw2100.c | 7 ++++--- drivers/net/wireless/ipw2x00/ipw2200.c | 5 +++-- 2 files changed, 7 insertions(+), 5 deletions(-)
diff --git a/drivers/net/wireless/ipw2x00/ipw2100.c b/drivers/net/wireless/ipw2x00/ipw2100.c index 36818c7f30b96..11cfc5822eb03 100644 --- a/drivers/net/wireless/ipw2x00/ipw2100.c +++ b/drivers/net/wireless/ipw2x00/ipw2100.c @@ -3213,8 +3213,9 @@ static void ipw2100_tx_send_data(struct ipw2100_priv *priv) } }
-static void ipw2100_irq_tasklet(struct ipw2100_priv *priv) +static void ipw2100_irq_tasklet(unsigned long data) { + struct ipw2100_priv *priv = (struct ipw2100_priv *)data; struct net_device *dev = priv->net_dev; unsigned long flags; u32 inta, tmp; @@ -6022,7 +6023,7 @@ static void ipw2100_rf_kill(struct work_struct *work) spin_unlock_irqrestore(&priv->low_lock, flags); }
-static void ipw2100_irq_tasklet(struct ipw2100_priv *priv); +static void ipw2100_irq_tasklet(unsigned long data);
static const struct net_device_ops ipw2100_netdev_ops = { .ndo_open = ipw2100_open, @@ -6151,7 +6152,7 @@ static struct net_device *ipw2100_alloc_device(struct pci_dev *pci_dev, INIT_DELAYED_WORK(&priv->rf_kill, ipw2100_rf_kill); INIT_DELAYED_WORK(&priv->scan_event, ipw2100_scan_event);
- tasklet_init(&priv->irq_tasklet, (void (*)(unsigned long)) + tasklet_init(&priv->irq_tasklet, ipw2100_irq_tasklet, (unsigned long)priv);
/* NOTE: We do not start the deferred work for status checks yet */ diff --git a/drivers/net/wireless/ipw2x00/ipw2200.c b/drivers/net/wireless/ipw2x00/ipw2200.c index ed0adaf1eec44..1e08f94dc4da3 100644 --- a/drivers/net/wireless/ipw2x00/ipw2200.c +++ b/drivers/net/wireless/ipw2x00/ipw2200.c @@ -1968,8 +1968,9 @@ static void notify_wx_assoc_event(struct ipw_priv *priv) wireless_send_event(priv->net_dev, SIOCGIWAP, &wrqu, NULL); }
-static void ipw_irq_tasklet(struct ipw_priv *priv) +static void ipw_irq_tasklet(unsigned long data) { + struct ipw_priv *priv = (struct ipw_priv *)data; u32 inta, inta_mask, handled = 0; unsigned long flags; int rc = 0; @@ -10705,7 +10706,7 @@ static int ipw_setup_deferred_work(struct ipw_priv *priv) INIT_WORK(&priv->qos_activate, ipw_bg_qos_activate); #endif /* CONFIG_IPW2200_QOS */
- tasklet_init(&priv->irq_tasklet, (void (*)(unsigned long)) + tasklet_init(&priv->irq_tasklet, ipw_irq_tasklet, (unsigned long)priv);
return ret;