[PATCH] staging/rtl8192e: Remove function callback casts

[Oscar Carter]

In an effort to enable -Wcast-function-type in the top-level Makefile to
support Control Flow Integrity builds, remove all the function callback
casts.

To do this modify the function prototypes accordingly.

Signed-off-by: Oscar Carter <oscar.car...@gmx.com>
---
 drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 24 +++++++++++---------
 1 file changed, 13 insertions(+), 11 deletions(-)

diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c 
b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index d3664e508cbe..a7cd4de65b28 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -81,8 +81,8 @@ static int _rtl92e_hard_start_xmit(struct sk_buff *skb, 
struct net_device *dev);
 static void _rtl92e_tx_cmd(struct net_device *dev, struct sk_buff *skb);
 static short _rtl92e_tx(struct net_device *dev, struct sk_buff *skb);
 static short _rtl92e_pci_initdescring(struct net_device *dev);
-static void _rtl92e_irq_tx_tasklet(struct r8192_priv *priv);
-static void _rtl92e_irq_rx_tasklet(struct r8192_priv *priv);
+static void _rtl92e_irq_tx_tasklet(unsigned long data);
+static void _rtl92e_irq_rx_tasklet(unsigned long data);
 static void _rtl92e_cancel_deferred_work(struct r8192_priv *priv);
 static int _rtl92e_up(struct net_device *dev, bool is_silent_reset);
 static int _rtl92e_try_up(struct net_device *dev);
@@ -516,8 +516,9 @@ static int _rtl92e_handle_assoc_response(struct net_device 
*dev,
        return 0;
 }

-static void _rtl92e_prepare_beacon(struct r8192_priv *priv)
+static void _rtl92e_prepare_beacon(unsigned long data)
 {
+       struct r8192_priv *priv = (struct r8192_priv *)data;
        struct net_device *dev = priv->rtllib->dev;
        struct sk_buff *pskb = NULL, *pnewskb = NULL;
        struct cb_desc *tcb_desc = NULL;
@@ -1007,14 +1008,11 @@ static void _rtl92e_init_priv_task(struct net_device 
*dev)
                              (void *)rtl92e_hw_wakeup_wq, dev);
        INIT_DELAYED_WORK_RSL(&priv->rtllib->hw_sleep_wq,
                              (void *)rtl92e_hw_sleep_wq, dev);
-       tasklet_init(&priv->irq_rx_tasklet,
-                    (void(*)(unsigned long))_rtl92e_irq_rx_tasklet,
+       tasklet_init(&priv->irq_rx_tasklet, _rtl92e_irq_rx_tasklet,
                     (unsigned long)priv);
-       tasklet_init(&priv->irq_tx_tasklet,
-                    (void(*)(unsigned long))_rtl92e_irq_tx_tasklet,
+       tasklet_init(&priv->irq_tx_tasklet, _rtl92e_irq_tx_tasklet,
                     (unsigned long)priv);
-       tasklet_init(&priv->irq_prepare_beacon_tasklet,
-                    (void(*)(unsigned long))_rtl92e_prepare_beacon,
+       tasklet_init(&priv->irq_prepare_beacon_tasklet, _rtl92e_prepare_beacon,
                     (unsigned long)priv);
 }

@@ -2113,13 +2111,17 @@ static void _rtl92e_tx_resume(struct net_device *dev)
        }
 }

-static void _rtl92e_irq_tx_tasklet(struct r8192_priv *priv)
+static void _rtl92e_irq_tx_tasklet(unsigned long data)
 {
+       struct r8192_priv *priv = (struct r8192_priv *)data;
+
        _rtl92e_tx_resume(priv->rtllib->dev);
 }

-static void _rtl92e_irq_rx_tasklet(struct r8192_priv *priv)
+static void _rtl92e_irq_rx_tasklet(unsigned long data)
 {
+       struct r8192_priv *priv = (struct r8192_priv *)data;
+
        _rtl92e_rx_normal(priv->rtllib->dev);

        rtl92e_writel(priv->rtllib->dev, INTA_MASK,
--
2.20.1