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Subject[PATCH AUTOSEL 4.4 044/100] ipw2x00: Fix -Wcast-function-type
Date
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;
--
2.20.1
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